Home / 3,949.06-5,449.50-2,180.82

Finding the Fourth Proportional to 3,949.06, 5,449.50 and 2,180.82

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Solution

The fourth proportional to 3,949.06, 5,449.50 and 2,180.82 is: 3,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.06 : 5,449.50 = 2,180.82 : x
  2. Step 2: Convert to fraction form
    3,949.06/5,449.50 = 2,180.82/x
  3. Step 3: Cross multiply
    3,949.06x = 5,449.50 × 2,180.82
  4. Step 4: Simplify right side
    3,949.06x = 11,884,378.59
  5. Step 5: Solve for x
    x = 11,884,378.59/3,949.06
  6. Step 6: Final answer
    x = 3,009.42

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