Home / 2,547.52-3,821.28-1,249.90

Finding the Fourth Proportional to 2,547.52, 3,821.28 and 1,249.90

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Solution

The fourth proportional to 2,547.52, 3,821.28 and 1,249.90 is: 1,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.52 : 3,821.28 = 1,249.90 : x
  2. Step 2: Convert to fraction form
    2,547.52/3,821.28 = 1,249.90/x
  3. Step 3: Cross multiply
    2,547.52x = 3,821.28 × 1,249.90
  4. Step 4: Simplify right side
    2,547.52x = 4,776,217.87
  5. Step 5: Solve for x
    x = 4,776,217.87/2,547.52
  6. Step 6: Final answer
    x = 1,874.85

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Similar ratio
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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.