Home / 3,240.09-4,861.16-1,160.04

Finding the Fourth Proportional to 3,240.09, 4,861.16 and 1,160.04

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Solution

The fourth proportional to 3,240.09, 4,861.16 and 1,160.04 is: 1,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.09 : 4,861.16 = 1,160.04 : x
  2. Step 2: Convert to fraction form
    3,240.09/4,861.16 = 1,160.04/x
  3. Step 3: Cross multiply
    3,240.09x = 4,861.16 × 1,160.04
  4. Step 4: Simplify right side
    3,240.09x = 5,639,134.25
  5. Step 5: Solve for x
    x = 5,639,134.25/3,240.09
  6. Step 6: Final answer
    x = 1,740.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.