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Finding the Fourth Proportional to 3,535.98, 5,304.02 and 938.90

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Solution

The fourth proportional to 3,535.98, 5,304.02 and 938.90 is: 1,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.98 : 5,304.02 = 938.90 : x
  2. Step 2: Convert to fraction form
    3,535.98/5,304.02 = 938.90/x
  3. Step 3: Cross multiply
    3,535.98x = 5,304.02 × 938.90
  4. Step 4: Simplify right side
    3,535.98x = 4,979,944.38
  5. Step 5: Solve for x
    x = 4,979,944.38/3,535.98
  6. Step 6: Final answer
    x = 1,408.36

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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.