Home / 3,211.25-4,432.03-1,952.69

Finding the Fourth Proportional to 3,211.25, 4,432.03 and 1,952.69

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Solution

The fourth proportional to 3,211.25, 4,432.03 and 1,952.69 is: 2,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.25 : 4,432.03 = 1,952.69 : x
  2. Step 2: Convert to fraction form
    3,211.25/4,432.03 = 1,952.69/x
  3. Step 3: Cross multiply
    3,211.25x = 4,432.03 × 1,952.69
  4. Step 4: Simplify right side
    3,211.25x = 8,654,380.66
  5. Step 5: Solve for x
    x = 8,654,380.66/3,211.25
  6. Step 6: Final answer
    x = 2,695.02

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Half scale
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Double scale
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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.