Home / 1,193.13-1,789.56-327.38

Finding the Fourth Proportional to 1,193.13, 1,789.56 and 327.38

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Solution

The fourth proportional to 1,193.13, 1,789.56 and 327.38 is: 491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.13 : 1,789.56 = 327.38 : x
  2. Step 2: Convert to fraction form
    1,193.13/1,789.56 = 327.38/x
  3. Step 3: Cross multiply
    1,193.13x = 1,789.56 × 327.38
  4. Step 4: Simplify right side
    1,193.13x = 585,857.21
  5. Step 5: Solve for x
    x = 585,857.21/1,193.13
  6. Step 6: Final answer
    x = 491.03

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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.