Home / 3,757.13-5,181.18-3,387.97

Finding the Fourth Proportional to 3,757.13, 5,181.18 and 3,387.97

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Solution

The fourth proportional to 3,757.13, 5,181.18 and 3,387.97 is: 4,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.13 : 5,181.18 = 3,387.97 : x
  2. Step 2: Convert to fraction form
    3,757.13/5,181.18 = 3,387.97/x
  3. Step 3: Cross multiply
    3,757.13x = 5,181.18 × 3,387.97
  4. Step 4: Simplify right side
    3,757.13x = 17,553,656.50
  5. Step 5: Solve for x
    x = 17,553,656.50/3,757.13
  6. Step 6: Final answer
    x = 4,672.10

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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.