Home / 3,481.27-5,221.09-1,630.62

Finding the Fourth Proportional to 3,481.27, 5,221.09 and 1,630.62

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Solution

The fourth proportional to 3,481.27, 5,221.09 and 1,630.62 is: 2,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.27 : 5,221.09 = 1,630.62 : x
  2. Step 2: Convert to fraction form
    3,481.27/5,221.09 = 1,630.62/x
  3. Step 3: Cross multiply
    3,481.27x = 5,221.09 × 1,630.62
  4. Step 4: Simplify right side
    3,481.27x = 8,513,613.78
  5. Step 5: Solve for x
    x = 8,513,613.78/3,481.27
  6. Step 6: Final answer
    x = 2,445.55

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Double scale
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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.