Home / 3,522.38-5,278.07-1,329.91

Finding the Fourth Proportional to 3,522.38, 5,278.07 and 1,329.91

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Solution

The fourth proportional to 3,522.38, 5,278.07 and 1,329.91 is: 1,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.38 : 5,278.07 = 1,329.91 : x
  2. Step 2: Convert to fraction form
    3,522.38/5,278.07 = 1,329.91/x
  3. Step 3: Cross multiply
    3,522.38x = 5,278.07 × 1,329.91
  4. Step 4: Simplify right side
    3,522.38x = 7,019,348.20
  5. Step 5: Solve for x
    x = 7,019,348.20/3,522.38
  6. Step 6: Final answer
    x = 1,992.79

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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.