Home / 3,410.43-5,115.96-1,330.61

Finding the Fourth Proportional to 3,410.43, 5,115.96 and 1,330.61

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Solution

The fourth proportional to 3,410.43, 5,115.96 and 1,330.61 is: 1,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.43 : 5,115.96 = 1,330.61 : x
  2. Step 2: Convert to fraction form
    3,410.43/5,115.96 = 1,330.61/x
  3. Step 3: Cross multiply
    3,410.43x = 5,115.96 × 1,330.61
  4. Step 4: Simplify right side
    3,410.43x = 6,807,321.96
  5. Step 5: Solve for x
    x = 6,807,321.96/3,410.43
  6. Step 6: Final answer
    x = 1,996.03

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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.