Home / 3,912.26-5,394.49-2,494.05

Finding the Fourth Proportional to 3,912.26, 5,394.49 and 2,494.05

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Solution

The fourth proportional to 3,912.26, 5,394.49 and 2,494.05 is: 3,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.26 : 5,394.49 = 2,494.05 : x
  2. Step 2: Convert to fraction form
    3,912.26/5,394.49 = 2,494.05/x
  3. Step 3: Cross multiply
    3,912.26x = 5,394.49 × 2,494.05
  4. Step 4: Simplify right side
    3,912.26x = 13,454,127.78
  5. Step 5: Solve for x
    x = 13,454,127.78/3,912.26
  6. Step 6: Final answer
    x = 3,438.97

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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.