Home / 2,481.05-3,423.90-1,361.97

Finding the Fourth Proportional to 2,481.05, 3,423.90 and 1,361.97

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Solution

The fourth proportional to 2,481.05, 3,423.90 and 1,361.97 is: 1,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.05 : 3,423.90 = 1,361.97 : x
  2. Step 2: Convert to fraction form
    2,481.05/3,423.90 = 1,361.97/x
  3. Step 3: Cross multiply
    2,481.05x = 3,423.90 × 1,361.97
  4. Step 4: Simplify right side
    2,481.05x = 4,663,249.08
  5. Step 5: Solve for x
    x = 4,663,249.08/2,481.05
  6. Step 6: Final answer
    x = 1,879.55

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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.