Home / 3,862.19-5,743.60-3,739.17

Finding the Fourth Proportional to 3,862.19, 5,743.60 and 3,739.17

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Solution

The fourth proportional to 3,862.19, 5,743.60 and 3,739.17 is: 5,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.19 : 5,743.60 = 3,739.17 : x
  2. Step 2: Convert to fraction form
    3,862.19/5,743.60 = 3,739.17/x
  3. Step 3: Cross multiply
    3,862.19x = 5,743.60 × 3,739.17
  4. Step 4: Simplify right side
    3,862.19x = 21,476,273.11
  5. Step 5: Solve for x
    x = 21,476,273.11/3,862.19
  6. Step 6: Final answer
    x = 5,560.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.