Home / 2,732.13-3,770.34-1,553.44

Finding the Fourth Proportional to 2,732.13, 3,770.34 and 1,553.44

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Solution

The fourth proportional to 2,732.13, 3,770.34 and 1,553.44 is: 2,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.13 : 3,770.34 = 1,553.44 : x
  2. Step 2: Convert to fraction form
    2,732.13/3,770.34 = 1,553.44/x
  3. Step 3: Cross multiply
    2,732.13x = 3,770.34 × 1,553.44
  4. Step 4: Simplify right side
    2,732.13x = 5,856,996.97
  5. Step 5: Solve for x
    x = 5,856,996.97/2,732.13
  6. Step 6: Final answer
    x = 2,143.75

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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.