Home / 3,081.38-4,247.85-2,452.17

Finding the Fourth Proportional to 3,081.38, 4,247.85 and 2,452.17

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Solution

The fourth proportional to 3,081.38, 4,247.85 and 2,452.17 is: 3,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.38 : 4,247.85 = 2,452.17 : x
  2. Step 2: Convert to fraction form
    3,081.38/4,247.85 = 2,452.17/x
  3. Step 3: Cross multiply
    3,081.38x = 4,247.85 × 2,452.17
  4. Step 4: Simplify right side
    3,081.38x = 10,416,429.10
  5. Step 5: Solve for x
    x = 10,416,429.10/3,081.38
  6. Step 6: Final answer
    x = 3,380.44

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Half scale
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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.