Home / 2,238.97-3,089.09-1,294.42

Finding the Fourth Proportional to 2,238.97, 3,089.09 and 1,294.42

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Solution

The fourth proportional to 2,238.97, 3,089.09 and 1,294.42 is: 1,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.97 : 3,089.09 = 1,294.42 : x
  2. Step 2: Convert to fraction form
    2,238.97/3,089.09 = 1,294.42/x
  3. Step 3: Cross multiply
    2,238.97x = 3,089.09 × 1,294.42
  4. Step 4: Simplify right side
    2,238.97x = 3,998,565.68
  5. Step 5: Solve for x
    x = 3,998,565.68/2,238.97
  6. Step 6: Final answer
    x = 1,785.90

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1.5x scale

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.