Home / 3,908.32-5,862.76-1,240.52

Finding the Fourth Proportional to 3,908.32, 5,862.76 and 1,240.52

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Solution

The fourth proportional to 3,908.32, 5,862.76 and 1,240.52 is: 1,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.32 : 5,862.76 = 1,240.52 : x
  2. Step 2: Convert to fraction form
    3,908.32/5,862.76 = 1,240.52/x
  3. Step 3: Cross multiply
    3,908.32x = 5,862.76 × 1,240.52
  4. Step 4: Simplify right side
    3,908.32x = 7,272,845.60
  5. Step 5: Solve for x
    x = 7,272,845.60/3,908.32
  6. Step 6: Final answer
    x = 1,860.86

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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.