Home / 2,841.41-3,921.19-1,582.43

Finding the Fourth Proportional to 2,841.41, 3,921.19 and 1,582.43

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Solution

The fourth proportional to 2,841.41, 3,921.19 and 1,582.43 is: 2,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.41 : 3,921.19 = 1,582.43 : x
  2. Step 2: Convert to fraction form
    2,841.41/3,921.19 = 1,582.43/x
  3. Step 3: Cross multiply
    2,841.41x = 3,921.19 × 1,582.43
  4. Step 4: Simplify right side
    2,841.41x = 6,205,010.58
  5. Step 5: Solve for x
    x = 6,205,010.58/2,841.41
  6. Step 6: Final answer
    x = 2,183.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.