Home / 3,922.38-5,881.23-1,324.98

Finding the Fourth Proportional to 3,922.38, 5,881.23 and 1,324.98

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Solution

The fourth proportional to 3,922.38, 5,881.23 and 1,324.98 is: 1,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.38 : 5,881.23 = 1,324.98 : x
  2. Step 2: Convert to fraction form
    3,922.38/5,881.23 = 1,324.98/x
  3. Step 3: Cross multiply
    3,922.38x = 5,881.23 × 1,324.98
  4. Step 4: Simplify right side
    3,922.38x = 7,792,512.13
  5. Step 5: Solve for x
    x = 7,792,512.13/3,922.38
  6. Step 6: Final answer
    x = 1,986.68

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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.