Speeds of sound and dynamic viscosities of the ternary mixtures methyl acetate + methanol + 1-butanol and methyl acetate + methanol + 1-pentanol at 298.15 K and atmospheric pressure have been measured over the whole range of mixture compositions. Viscosity deviations and deviations in isentropic compressibilities for the binary and ternary systems were calculated and fitted to Redlich-Kister and Cibulka equations, respectively, to estimate the fitting parameters and the root-mean-square deviations between calculated and experimental data. To correlate viscosities of ternary systems from binary data, different equations have been used, and their parameters are shown. To predict the viscosity of ternary mixtures, two methods based on contribution groups have been proposed and the root-mean-square deviations are gathered. To predict the speed of sound of binary and ternary mixtures, a method has been used, and the results were compared with the experimental data.