Home / 3,896.22-5,841.87-2,578.55

Finding the Fourth Proportional to 3,896.22, 5,841.87 and 2,578.55

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Solution

The fourth proportional to 3,896.22, 5,841.87 and 2,578.55 is: 3,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.22 : 5,841.87 = 2,578.55 : x
  2. Step 2: Convert to fraction form
    3,896.22/5,841.87 = 2,578.55/x
  3. Step 3: Cross multiply
    3,896.22x = 5,841.87 × 2,578.55
  4. Step 4: Simplify right side
    3,896.22x = 15,063,524.68
  5. Step 5: Solve for x
    x = 15,063,524.68/3,896.22
  6. Step 6: Final answer
    x = 3,866.19

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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.