Home / 3,755.52-5,631.24-2,115.27

Finding the Fourth Proportional to 3,755.52, 5,631.24 and 2,115.27

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Solution

The fourth proportional to 3,755.52, 5,631.24 and 2,115.27 is: 3,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.52 : 5,631.24 = 2,115.27 : x
  2. Step 2: Convert to fraction form
    3,755.52/5,631.24 = 2,115.27/x
  3. Step 3: Cross multiply
    3,755.52x = 5,631.24 × 2,115.27
  4. Step 4: Simplify right side
    3,755.52x = 11,911,593.03
  5. Step 5: Solve for x
    x = 11,911,593.03/3,755.52
  6. Step 6: Final answer
    x = 3,171.76

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1.5x scale

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.