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Finding the Fourth Proportional to 3,766.29, 5,649.43 and 3,279.68

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Solution

The fourth proportional to 3,766.29, 5,649.43 and 3,279.68 is: 4,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.29 : 5,649.43 = 3,279.68 : x
  2. Step 2: Convert to fraction form
    3,766.29/5,649.43 = 3,279.68/x
  3. Step 3: Cross multiply
    3,766.29x = 5,649.43 × 3,279.68
  4. Step 4: Simplify right side
    3,766.29x = 18,528,322.58
  5. Step 5: Solve for x
    x = 18,528,322.58/3,766.29
  6. Step 6: Final answer
    x = 4,919.52

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Similar ratio
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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.