Home / 1,193.69-1,789.96-371.97

Finding the Fourth Proportional to 1,193.69, 1,789.96 and 371.97

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Solution

The fourth proportional to 1,193.69, 1,789.96 and 371.97 is: 557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.69 : 1,789.96 = 371.97 : x
  2. Step 2: Convert to fraction form
    1,193.69/1,789.96 = 371.97/x
  3. Step 3: Cross multiply
    1,193.69x = 1,789.96 × 371.97
  4. Step 4: Simplify right side
    1,193.69x = 665,811.42
  5. Step 5: Solve for x
    x = 665,811.42/1,193.69
  6. Step 6: Final answer
    x = 557.78

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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.