Home / 3,991.32-5,990.60-2,044.88

Finding the Fourth Proportional to 3,991.32, 5,990.60 and 2,044.88

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Solution

The fourth proportional to 3,991.32, 5,990.60 and 2,044.88 is: 3,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.32 : 5,990.60 = 2,044.88 : x
  2. Step 2: Convert to fraction form
    3,991.32/5,990.60 = 2,044.88/x
  3. Step 3: Cross multiply
    3,991.32x = 5,990.60 × 2,044.88
  4. Step 4: Simplify right side
    3,991.32x = 12,250,058.13
  5. Step 5: Solve for x
    x = 12,250,058.13/3,991.32
  6. Step 6: Final answer
    x = 3,069.17

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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.