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Finding the Fourth Proportional to 2,693.52, 3,712.50 and 2,553.66

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Solution

The fourth proportional to 2,693.52, 3,712.50 and 2,553.66 is: 3,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.52 : 3,712.50 = 2,553.66 : x
  2. Step 2: Convert to fraction form
    2,693.52/3,712.50 = 2,553.66/x
  3. Step 3: Cross multiply
    2,693.52x = 3,712.50 × 2,553.66
  4. Step 4: Simplify right side
    2,693.52x = 9,480,462.75
  5. Step 5: Solve for x
    x = 9,480,462.75/2,693.52
  6. Step 6: Final answer
    x = 3,519.73

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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.