Home / 3,949.26-5,449.94-2,180.83

Finding the Fourth Proportional to 3,949.26, 5,449.94 and 2,180.83

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Solution

The fourth proportional to 3,949.26, 5,449.94 and 2,180.83 is: 3,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.26 : 5,449.94 = 2,180.83 : x
  2. Step 2: Convert to fraction form
    3,949.26/5,449.94 = 2,180.83/x
  3. Step 3: Cross multiply
    3,949.26x = 5,449.94 × 2,180.83
  4. Step 4: Simplify right side
    3,949.26x = 11,885,381.75
  5. Step 5: Solve for x
    x = 11,885,381.75/3,949.26
  6. Step 6: Final answer
    x = 3,009.52

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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.