Home / 3,918.75-5,868.38-2,743.25

Finding the Fourth Proportional to 3,918.75, 5,868.38 and 2,743.25

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Solution

The fourth proportional to 3,918.75, 5,868.38 and 2,743.25 is: 4,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.75 : 5,868.38 = 2,743.25 : x
  2. Step 2: Convert to fraction form
    3,918.75/5,868.38 = 2,743.25/x
  3. Step 3: Cross multiply
    3,918.75x = 5,868.38 × 2,743.25
  4. Step 4: Simplify right side
    3,918.75x = 16,098,390.38
  5. Step 5: Solve for x
    x = 16,098,390.38/3,918.75
  6. Step 6: Final answer
    x = 4,108.04

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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.