Home / 3,937.66-5,436.22-2,613.18

Finding the Fourth Proportional to 3,937.66, 5,436.22 and 2,613.18

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Solution

The fourth proportional to 3,937.66, 5,436.22 and 2,613.18 is: 3,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.66 : 5,436.22 = 2,613.18 : x
  2. Step 2: Convert to fraction form
    3,937.66/5,436.22 = 2,613.18/x
  3. Step 3: Cross multiply
    3,937.66x = 5,436.22 × 2,613.18
  4. Step 4: Simplify right side
    3,937.66x = 14,205,821.38
  5. Step 5: Solve for x
    x = 14,205,821.38/3,937.66
  6. Step 6: Final answer
    x = 3,607.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.