Home / 2,996.45-4,489.19-2,172.68

Finding the Fourth Proportional to 2,996.45, 4,489.19 and 2,172.68

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Solution

The fourth proportional to 2,996.45, 4,489.19 and 2,172.68 is: 3,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.45 : 4,489.19 = 2,172.68 : x
  2. Step 2: Convert to fraction form
    2,996.45/4,489.19 = 2,172.68/x
  3. Step 3: Cross multiply
    2,996.45x = 4,489.19 × 2,172.68
  4. Step 4: Simplify right side
    2,996.45x = 9,753,573.33
  5. Step 5: Solve for x
    x = 9,753,573.33/2,996.45
  6. Step 6: Final answer
    x = 3,255.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.