Home / 2,732.14-3,770.67-1,553.39

Finding the Fourth Proportional to 2,732.14, 3,770.67 and 1,553.39

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Solution

The fourth proportional to 2,732.14, 3,770.67 and 1,553.39 is: 2,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.14 : 3,770.67 = 1,553.39 : x
  2. Step 2: Convert to fraction form
    2,732.14/3,770.67 = 1,553.39/x
  3. Step 3: Cross multiply
    2,732.14x = 3,770.67 × 1,553.39
  4. Step 4: Simplify right side
    2,732.14x = 5,857,294.45
  5. Step 5: Solve for x
    x = 5,857,294.45/2,732.14
  6. Step 6: Final answer
    x = 2,143.85

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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.