Home / 3,949.41-5,450.08-2,180.89

Finding the Fourth Proportional to 3,949.41, 5,450.08 and 2,180.89

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Solution

The fourth proportional to 3,949.41, 5,450.08 and 2,180.89 is: 3,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.41 : 5,450.08 = 2,180.89 : x
  2. Step 2: Convert to fraction form
    3,949.41/5,450.08 = 2,180.89/x
  3. Step 3: Cross multiply
    3,949.41x = 5,450.08 × 2,180.89
  4. Step 4: Simplify right side
    3,949.41x = 11,886,024.97
  5. Step 5: Solve for x
    x = 11,886,024.97/3,949.41
  6. Step 6: Final answer
    x = 3,009.57

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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.