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Finding the Fourth Proportional to 2,232.93, 3,081.43 and 1,238.21

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Solution

The fourth proportional to 2,232.93, 3,081.43 and 1,238.21 is: 1,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.93 : 3,081.43 = 1,238.21 : x
  2. Step 2: Convert to fraction form
    2,232.93/3,081.43 = 1,238.21/x
  3. Step 3: Cross multiply
    2,232.93x = 3,081.43 × 1,238.21
  4. Step 4: Simplify right side
    2,232.93x = 3,815,472.47
  5. Step 5: Solve for x
    x = 3,815,472.47/2,232.93
  6. Step 6: Final answer
    x = 1,708.73

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