Home / 1,294.43-1,932.25-1,198.06

Finding the Fourth Proportional to 1,294.43, 1,932.25 and 1,198.06

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Solution

The fourth proportional to 1,294.43, 1,932.25 and 1,198.06 is: 1,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.43 : 1,932.25 = 1,198.06 : x
  2. Step 2: Convert to fraction form
    1,294.43/1,932.25 = 1,198.06/x
  3. Step 3: Cross multiply
    1,294.43x = 1,932.25 × 1,198.06
  4. Step 4: Simplify right side
    1,294.43x = 2,314,951.44
  5. Step 5: Solve for x
    x = 2,314,951.44/1,294.43
  6. Step 6: Final answer
    x = 1,788.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.