Home / 3,949.15-5,446.68-2,456.18

Finding the Fourth Proportional to 3,949.15, 5,446.68 and 2,456.18

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Solution

The fourth proportional to 3,949.15, 5,446.68 and 2,456.18 is: 3,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.15 : 5,446.68 = 2,456.18 : x
  2. Step 2: Convert to fraction form
    3,949.15/5,446.68 = 2,456.18/x
  3. Step 3: Cross multiply
    3,949.15x = 5,446.68 × 2,456.18
  4. Step 4: Simplify right side
    3,949.15x = 13,378,026.48
  5. Step 5: Solve for x
    x = 13,378,026.48/3,949.15
  6. Step 6: Final answer
    x = 3,387.57

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1.5x scale

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.