Home / 3,912.23-5,397.81-2,233.04

Finding the Fourth Proportional to 3,912.23, 5,397.81 and 2,233.04

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Solution

The fourth proportional to 3,912.23, 5,397.81 and 2,233.04 is: 3,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.23 : 5,397.81 = 2,233.04 : x
  2. Step 2: Convert to fraction form
    3,912.23/5,397.81 = 2,233.04/x
  3. Step 3: Cross multiply
    3,912.23x = 5,397.81 × 2,233.04
  4. Step 4: Simplify right side
    3,912.23x = 12,053,490.28
  5. Step 5: Solve for x
    x = 12,053,490.28/3,912.23
  6. Step 6: Final answer
    x = 3,080.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.