Home / 1,195.04-1,792.56-425.54

Finding the Fourth Proportional to 1,195.04, 1,792.56 and 425.54

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Solution

The fourth proportional to 1,195.04, 1,792.56 and 425.54 is: 638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.04 : 1,792.56 = 425.54 : x
  2. Step 2: Convert to fraction form
    1,195.04/1,792.56 = 425.54/x
  3. Step 3: Cross multiply
    1,195.04x = 1,792.56 × 425.54
  4. Step 4: Simplify right side
    1,195.04x = 762,805.98
  5. Step 5: Solve for x
    x = 762,805.98/1,195.04
  6. Step 6: Final answer
    x = 638.31

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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.