Home / 2,169.39-3,250.68-1,677

Finding the Fourth Proportional to 2,169.39, 3,250.68 and 1,677

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Solution

The fourth proportional to 2,169.39, 3,250.68 and 1,677 is: 2,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.39 : 3,250.68 = 1,677 : x
  2. Step 2: Convert to fraction form
    2,169.39/3,250.68 = 1,677/x
  3. Step 3: Cross multiply
    2,169.39x = 3,250.68 × 1,677
  4. Step 4: Simplify right side
    2,169.39x = 5,451,381.98
  5. Step 5: Solve for x
    x = 5,451,381.98/2,169.39
  6. Step 6: Final answer
    x = 2,512.86

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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.