Finding the Fourth Proportional to 2,157.04, 3,235.68 and 618
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Solution
The fourth proportional to 2,157.04, 3,235.68 and 618 is: 927.03
Step by Step Solution
- Step 1: Write the proportion equation
2,157.04 : 3,235.68 = 618 : x - Step 2: Convert to fraction form
2,157.04/3,235.68 = 618/x - Step 3: Cross multiply
2,157.04x = 3,235.68 × 618 - Step 4: Simplify right side
2,157.04x = 1,999,650.24 - Step 5: Solve for x
x = 1,999,650.24/2,157.04 - Step 6: Final answer
x = 927.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.