Home / 3,854.57-5,321.92-2,530.53

Finding the Fourth Proportional to 3,854.57, 5,321.92 and 2,530.53

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Solution

The fourth proportional to 3,854.57, 5,321.92 and 2,530.53 is: 3,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.57 : 5,321.92 = 2,530.53 : x
  2. Step 2: Convert to fraction form
    3,854.57/5,321.92 = 2,530.53/x
  3. Step 3: Cross multiply
    3,854.57x = 5,321.92 × 2,530.53
  4. Step 4: Simplify right side
    3,854.57x = 13,467,278.22
  5. Step 5: Solve for x
    x = 13,467,278.22/3,854.57
  6. Step 6: Final answer
    x = 3,493.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.