Home / 3,982.13-5,974.20-2,340.06

Finding the Fourth Proportional to 3,982.13, 5,974.20 and 2,340.06

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Solution

The fourth proportional to 3,982.13, 5,974.20 and 2,340.06 is: 3,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.13 : 5,974.20 = 2,340.06 : x
  2. Step 2: Convert to fraction form
    3,982.13/5,974.20 = 2,340.06/x
  3. Step 3: Cross multiply
    3,982.13x = 5,974.20 × 2,340.06
  4. Step 4: Simplify right side
    3,982.13x = 13,979,986.45
  5. Step 5: Solve for x
    x = 13,979,986.45/3,982.13
  6. Step 6: Final answer
    x = 3,510.68

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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.