Home / 3,991.32-5,981.49-2,527.88

Finding the Fourth Proportional to 3,991.32, 5,981.49 and 2,527.88

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Solution

The fourth proportional to 3,991.32, 5,981.49 and 2,527.88 is: 3,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.32 : 5,981.49 = 2,527.88 : x
  2. Step 2: Convert to fraction form
    3,991.32/5,981.49 = 2,527.88/x
  3. Step 3: Cross multiply
    3,991.32x = 5,981.49 × 2,527.88
  4. Step 4: Simplify right side
    3,991.32x = 15,120,459.03
  5. Step 5: Solve for x
    x = 15,120,459.03/3,991.32
  6. Step 6: Final answer
    x = 3,788.34

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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.