Home / 3,331.66-4,997.50-3,128.68

Finding the Fourth Proportional to 3,331.66, 4,997.50 and 3,128.68

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Solution

The fourth proportional to 3,331.66, 4,997.50 and 3,128.68 is: 4,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.66 : 4,997.50 = 3,128.68 : x
  2. Step 2: Convert to fraction form
    3,331.66/4,997.50 = 3,128.68/x
  3. Step 3: Cross multiply
    3,331.66x = 4,997.50 × 3,128.68
  4. Step 4: Simplify right side
    3,331.66x = 15,635,578.30
  5. Step 5: Solve for x
    x = 15,635,578.30/3,331.66
  6. Step 6: Final answer
    x = 4,693.03

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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.