Home / 3,229.43-4,457.35-2,108.39

Finding the Fourth Proportional to 3,229.43, 4,457.35 and 2,108.39

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Solution

The fourth proportional to 3,229.43, 4,457.35 and 2,108.39 is: 2,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.43 : 4,457.35 = 2,108.39 : x
  2. Step 2: Convert to fraction form
    3,229.43/4,457.35 = 2,108.39/x
  3. Step 3: Cross multiply
    3,229.43x = 4,457.35 × 2,108.39
  4. Step 4: Simplify right side
    3,229.43x = 9,397,804.61
  5. Step 5: Solve for x
    x = 9,397,804.61/3,229.43
  6. Step 6: Final answer
    x = 2,910.06

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Half scale
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Double scale
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Similar ratio
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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.