Home / 3,712.46-5,123.34-2,454.62

Finding the Fourth Proportional to 3,712.46, 5,123.34 and 2,454.62

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Solution

The fourth proportional to 3,712.46, 5,123.34 and 2,454.62 is: 3,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.46 : 5,123.34 = 2,454.62 : x
  2. Step 2: Convert to fraction form
    3,712.46/5,123.34 = 2,454.62/x
  3. Step 3: Cross multiply
    3,712.46x = 5,123.34 × 2,454.62
  4. Step 4: Simplify right side
    3,712.46x = 12,575,827.21
  5. Step 5: Solve for x
    x = 12,575,827.21/3,712.46
  6. Step 6: Final answer
    x = 3,387.47

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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.