Home / 3,127.34-4,304.82-2,753.12

Finding the Fourth Proportional to 3,127.34, 4,304.82 and 2,753.12

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Solution

The fourth proportional to 3,127.34, 4,304.82 and 2,753.12 is: 3,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.34 : 4,304.82 = 2,753.12 : x
  2. Step 2: Convert to fraction form
    3,127.34/4,304.82 = 2,753.12/x
  3. Step 3: Cross multiply
    3,127.34x = 4,304.82 × 2,753.12
  4. Step 4: Simplify right side
    3,127.34x = 11,851,686.04
  5. Step 5: Solve for x
    x = 11,851,686.04/3,127.34
  6. Step 6: Final answer
    x = 3,789.70

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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.