Home / 3,553.38-5,331.98-1,729.38

Finding the Fourth Proportional to 3,553.38, 5,331.98 and 1,729.38

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Solution

The fourth proportional to 3,553.38, 5,331.98 and 1,729.38 is: 2,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.38 : 5,331.98 = 1,729.38 : x
  2. Step 2: Convert to fraction form
    3,553.38/5,331.98 = 1,729.38/x
  3. Step 3: Cross multiply
    3,553.38x = 5,331.98 × 1,729.38
  4. Step 4: Simplify right side
    3,553.38x = 9,221,019.57
  5. Step 5: Solve for x
    x = 9,221,019.57/3,553.38
  6. Step 6: Final answer
    x = 2,595.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.