Home / 3,512.55-5,267.45-1,432.17

Finding the Fourth Proportional to 3,512.55, 5,267.45 and 1,432.17

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Solution

The fourth proportional to 3,512.55, 5,267.45 and 1,432.17 is: 2,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.55 : 5,267.45 = 1,432.17 : x
  2. Step 2: Convert to fraction form
    3,512.55/5,267.45 = 1,432.17/x
  3. Step 3: Cross multiply
    3,512.55x = 5,267.45 × 1,432.17
  4. Step 4: Simplify right side
    3,512.55x = 7,543,876.71
  5. Step 5: Solve for x
    x = 7,543,876.71/3,512.55
  6. Step 6: Final answer
    x = 2,147.69

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1.5x scale

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.