Home / 3,414.20-5,121.36-2,251.68

Finding the Fourth Proportional to 3,414.20, 5,121.36 and 2,251.68

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Solution

The fourth proportional to 3,414.20, 5,121.36 and 2,251.68 is: 3,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.20 : 5,121.36 = 2,251.68 : x
  2. Step 2: Convert to fraction form
    3,414.20/5,121.36 = 2,251.68/x
  3. Step 3: Cross multiply
    3,414.20x = 5,121.36 × 2,251.68
  4. Step 4: Simplify right side
    3,414.20x = 11,531,663.88
  5. Step 5: Solve for x
    x = 11,531,663.88/3,414.20
  6. Step 6: Final answer
    x = 3,377.56

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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.