Home / 3,922.43-5,877.57-2,279.75

Finding the Fourth Proportional to 3,922.43, 5,877.57 and 2,279.75

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Solution

The fourth proportional to 3,922.43, 5,877.57 and 2,279.75 is: 3,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.43 : 5,877.57 = 2,279.75 : x
  2. Step 2: Convert to fraction form
    3,922.43/5,877.57 = 2,279.75/x
  3. Step 3: Cross multiply
    3,922.43x = 5,877.57 × 2,279.75
  4. Step 4: Simplify right side
    3,922.43x = 13,399,390.21
  5. Step 5: Solve for x
    x = 13,399,390.21/3,922.43
  6. Step 6: Final answer
    x = 3,416.09

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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.