Home / 2,732.36-3,770.66-1,553.49

Finding the Fourth Proportional to 2,732.36, 3,770.66 and 1,553.49

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Solution

The fourth proportional to 2,732.36, 3,770.66 and 1,553.49 is: 2,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.36 : 3,770.66 = 1,553.49 : x
  2. Step 2: Convert to fraction form
    2,732.36/3,770.66 = 1,553.49/x
  3. Step 3: Cross multiply
    2,732.36x = 3,770.66 × 1,553.49
  4. Step 4: Simplify right side
    2,732.36x = 5,857,686.49
  5. Step 5: Solve for x
    x = 5,857,686.49/2,732.36
  6. Step 6: Final answer
    x = 2,143.82

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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.