Home / 1,193.14-1,789.97-371.40

Finding the Fourth Proportional to 1,193.14, 1,789.97 and 371.40

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Solution

The fourth proportional to 1,193.14, 1,789.97 and 371.40 is: 557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.14 : 1,789.97 = 371.40 : x
  2. Step 2: Convert to fraction form
    1,193.14/1,789.97 = 371.40/x
  3. Step 3: Cross multiply
    1,193.14x = 1,789.97 × 371.40
  4. Step 4: Simplify right side
    1,193.14x = 664,794.86
  5. Step 5: Solve for x
    x = 664,794.86/1,193.14
  6. Step 6: Final answer
    x = 557.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.