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Finding the Fourth Proportional to 3,372.66, 5,057.16 and 1,814.52

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Solution

The fourth proportional to 3,372.66, 5,057.16 and 1,814.52 is: 2,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.66 : 5,057.16 = 1,814.52 : x
  2. Step 2: Convert to fraction form
    3,372.66/5,057.16 = 1,814.52/x
  3. Step 3: Cross multiply
    3,372.66x = 5,057.16 × 1,814.52
  4. Step 4: Simplify right side
    3,372.66x = 9,176,317.96
  5. Step 5: Solve for x
    x = 9,176,317.96/3,372.66
  6. Step 6: Final answer
    x = 2,720.80

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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.