Home / 2,481.19-3,423.82-1,362.12

Finding the Fourth Proportional to 2,481.19, 3,423.82 and 1,362.12

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Solution

The fourth proportional to 2,481.19, 3,423.82 and 1,362.12 is: 1,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.19 : 3,423.82 = 1,362.12 : x
  2. Step 2: Convert to fraction form
    2,481.19/3,423.82 = 1,362.12/x
  3. Step 3: Cross multiply
    2,481.19x = 3,423.82 × 1,362.12
  4. Step 4: Simplify right side
    2,481.19x = 4,663,655.40
  5. Step 5: Solve for x
    x = 4,663,655.40/2,481.19
  6. Step 6: Final answer
    x = 1,879.61

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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.