Home / 3,251.95-4,487.68-1,759.86

Finding the Fourth Proportional to 3,251.95, 4,487.68 and 1,759.86

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Solution

The fourth proportional to 3,251.95, 4,487.68 and 1,759.86 is: 2,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.95 : 4,487.68 = 1,759.86 : x
  2. Step 2: Convert to fraction form
    3,251.95/4,487.68 = 1,759.86/x
  3. Step 3: Cross multiply
    3,251.95x = 4,487.68 × 1,759.86
  4. Step 4: Simplify right side
    3,251.95x = 7,897,684.13
  5. Step 5: Solve for x
    x = 7,897,684.13/3,251.95
  6. Step 6: Final answer
    x = 2,428.60

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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.