Home / 3,260.06-4,493.91-1,998.78

Finding the Fourth Proportional to 3,260.06, 4,493.91 and 1,998.78

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Solution

The fourth proportional to 3,260.06, 4,493.91 and 1,998.78 is: 2,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.06 : 4,493.91 = 1,998.78 : x
  2. Step 2: Convert to fraction form
    3,260.06/4,493.91 = 1,998.78/x
  3. Step 3: Cross multiply
    3,260.06x = 4,493.91 × 1,998.78
  4. Step 4: Simplify right side
    3,260.06x = 8,982,337.43
  5. Step 5: Solve for x
    x = 8,982,337.43/3,260.06
  6. Step 6: Final answer
    x = 2,755.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.