Home / 2,575.20-3,862.35-843.83

Finding the Fourth Proportional to 2,575.20, 3,862.35 and 843.83

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Solution

The fourth proportional to 2,575.20, 3,862.35 and 843.83 is: 1,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.20 : 3,862.35 = 843.83 : x
  2. Step 2: Convert to fraction form
    2,575.20/3,862.35 = 843.83/x
  3. Step 3: Cross multiply
    2,575.20x = 3,862.35 × 843.83
  4. Step 4: Simplify right side
    2,575.20x = 3,259,147.49
  5. Step 5: Solve for x
    x = 3,259,147.49/2,575.20
  6. Step 6: Final answer
    x = 1,265.59

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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.