Home / 3,712.47-5,127.15-2,522.76

Finding the Fourth Proportional to 3,712.47, 5,127.15 and 2,522.76

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Solution

The fourth proportional to 3,712.47, 5,127.15 and 2,522.76 is: 3,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.47 : 5,127.15 = 2,522.76 : x
  2. Step 2: Convert to fraction form
    3,712.47/5,127.15 = 2,522.76/x
  3. Step 3: Cross multiply
    3,712.47x = 5,127.15 × 2,522.76
  4. Step 4: Simplify right side
    3,712.47x = 12,934,568.93
  5. Step 5: Solve for x
    x = 12,934,568.93/3,712.47
  6. Step 6: Final answer
    x = 3,484.09

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Double 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.