Home / 3,922.53-5,881.90-2,279.55

Finding the Fourth Proportional to 3,922.53, 5,881.90 and 2,279.55

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Solution

The fourth proportional to 3,922.53, 5,881.90 and 2,279.55 is: 3,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.53 : 5,881.90 = 2,279.55 : x
  2. Step 2: Convert to fraction form
    3,922.53/5,881.90 = 2,279.55/x
  3. Step 3: Cross multiply
    3,922.53x = 5,881.90 × 2,279.55
  4. Step 4: Simplify right side
    3,922.53x = 13,408,085.15
  5. Step 5: Solve for x
    x = 13,408,085.15/3,922.53
  6. Step 6: Final answer
    x = 3,418.22

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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.