Given:
x% of 3436 is 150.
To find the percentage,
[tex]\begin{gathered} x\text{ \% of 3436=150} \\ \frac{x}{100}\cdot3436=150 \\ x=\frac{150\cdot100}{3436} \\ x=\frac{3750}{859} \\ x=4.365\text{ \%} \end{gathered}[/tex]Answer: 4.365% of 3436 is 150.