Home / 3,838.36-5,758.38-1,241.56

Finding the Fourth Proportional to 3,838.36, 5,758.38 and 1,241.56

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Solution

The fourth proportional to 3,838.36, 5,758.38 and 1,241.56 is: 1,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.36 : 5,758.38 = 1,241.56 : x
  2. Step 2: Convert to fraction form
    3,838.36/5,758.38 = 1,241.56/x
  3. Step 3: Cross multiply
    3,838.36x = 5,758.38 × 1,241.56
  4. Step 4: Simplify right side
    3,838.36x = 7,149,374.27
  5. Step 5: Solve for x
    x = 7,149,374.27/3,838.36
  6. Step 6: Final answer
    x = 1,862.61

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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.