Home / 3,991.23-5,981.37-2,527.76

Finding the Fourth Proportional to 3,991.23, 5,981.37 and 2,527.76

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Solution

The fourth proportional to 3,991.23, 5,981.37 and 2,527.76 is: 3,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.23 : 5,981.37 = 2,527.76 : x
  2. Step 2: Convert to fraction form
    3,991.23/5,981.37 = 2,527.76/x
  3. Step 3: Cross multiply
    3,991.23x = 5,981.37 × 2,527.76
  4. Step 4: Simplify right side
    3,991.23x = 15,119,437.92
  5. Step 5: Solve for x
    x = 15,119,437.92/3,991.23
  6. Step 6: Final answer
    x = 3,788.17

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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.