Home / 3,489.62-4,816.44-2,731.90

Finding the Fourth Proportional to 3,489.62, 4,816.44 and 2,731.90

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Solution

The fourth proportional to 3,489.62, 4,816.44 and 2,731.90 is: 3,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.62 : 4,816.44 = 2,731.90 : x
  2. Step 2: Convert to fraction form
    3,489.62/4,816.44 = 2,731.90/x
  3. Step 3: Cross multiply
    3,489.62x = 4,816.44 × 2,731.90
  4. Step 4: Simplify right side
    3,489.62x = 13,158,032.44
  5. Step 5: Solve for x
    x = 13,158,032.44/3,489.62
  6. Step 6: Final answer
    x = 3,770.62

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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.