Home / 2,279.01-3,418.12-635.57

Finding the Fourth Proportional to 2,279.01, 3,418.12 and 635.57

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Solution

The fourth proportional to 2,279.01, 3,418.12 and 635.57 is: 953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.01 : 3,418.12 = 635.57 : x
  2. Step 2: Convert to fraction form
    2,279.01/3,418.12 = 635.57/x
  3. Step 3: Cross multiply
    2,279.01x = 3,418.12 × 635.57
  4. Step 4: Simplify right side
    2,279.01x = 2,172,454.53
  5. Step 5: Solve for x
    x = 2,172,454.53/2,279.01
  6. Step 6: Final answer
    x = 953.24

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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.