Home / 3,125.39-4,310.82-2,132.73

Finding the Fourth Proportional to 3,125.39, 4,310.82 and 2,132.73

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Solution

The fourth proportional to 3,125.39, 4,310.82 and 2,132.73 is: 2,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.39 : 4,310.82 = 2,132.73 : x
  2. Step 2: Convert to fraction form
    3,125.39/4,310.82 = 2,132.73/x
  3. Step 3: Cross multiply
    3,125.39x = 4,310.82 × 2,132.73
  4. Step 4: Simplify right side
    3,125.39x = 9,193,815.14
  5. Step 5: Solve for x
    x = 9,193,815.14/3,125.39
  6. Step 6: Final answer
    x = 2,941.66

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1.5x scale

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.