\(\frac{x}{2}=\frac{y}{3}=\frac{z}{4}=\frac{2x}{2.2}=\frac{3.y}{3.3}=\frac{z}{4}\Leftrightarrow\frac{\left(2x+3y+z\right)}{4+9+4}=\frac{34}{17}=2\) Tính chất tỷ lệ thức
\(\frac{x}{2}=2\Rightarrow x=2.2=4\)
\(\frac{y}{3}=2\Rightarrow y=3.2=6\)
\(\frac{z}{4}=2\Rightarrow z=4.2=8\)