Home / 2,999.27-4,139.20-1,672.97

Finding the Fourth Proportional to 2,999.27, 4,139.20 and 1,672.97

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Solution

The fourth proportional to 2,999.27, 4,139.20 and 1,672.97 is: 2,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.27 : 4,139.20 = 1,672.97 : x
  2. Step 2: Convert to fraction form
    2,999.27/4,139.20 = 1,672.97/x
  3. Step 3: Cross multiply
    2,999.27x = 4,139.20 × 1,672.97
  4. Step 4: Simplify right side
    2,999.27x = 6,924,738.82
  5. Step 5: Solve for x
    x = 6,924,738.82/2,999.27
  6. Step 6: Final answer
    x = 2,308.81

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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.