Home / 3,414.72-5,115.36-2,549.76

Finding the Fourth Proportional to 3,414.72, 5,115.36 and 2,549.76

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Solution

The fourth proportional to 3,414.72, 5,115.36 and 2,549.76 is: 3,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.72 : 5,115.36 = 2,549.76 : x
  2. Step 2: Convert to fraction form
    3,414.72/5,115.36 = 2,549.76/x
  3. Step 3: Cross multiply
    3,414.72x = 5,115.36 × 2,549.76
  4. Step 4: Simplify right side
    3,414.72x = 13,042,940.31
  5. Step 5: Solve for x
    x = 13,042,940.31/3,414.72
  6. Step 6: Final answer
    x = 3,819.62

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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.