Home / 3,922.30-5,884.61-1,581.11

Finding the Fourth Proportional to 3,922.30, 5,884.61 and 1,581.11

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Solution

The fourth proportional to 3,922.30, 5,884.61 and 1,581.11 is: 2,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.30 : 5,884.61 = 1,581.11 : x
  2. Step 2: Convert to fraction form
    3,922.30/5,884.61 = 1,581.11/x
  3. Step 3: Cross multiply
    3,922.30x = 5,884.61 × 1,581.11
  4. Step 4: Simplify right side
    3,922.30x = 9,304,178.39
  5. Step 5: Solve for x
    x = 9,304,178.39/3,922.30
  6. Step 6: Final answer
    x = 2,372.12

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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.