Home / 2,999.26-4,138.98-1,672.96

Finding the Fourth Proportional to 2,999.26, 4,138.98 and 1,672.96

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Solution

The fourth proportional to 2,999.26, 4,138.98 and 1,672.96 is: 2,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.26 : 4,138.98 = 1,672.96 : x
  2. Step 2: Convert to fraction form
    2,999.26/4,138.98 = 1,672.96/x
  3. Step 3: Cross multiply
    2,999.26x = 4,138.98 × 1,672.96
  4. Step 4: Simplify right side
    2,999.26x = 6,924,347.98
  5. Step 5: Solve for x
    x = 6,924,347.98/2,999.26
  6. Step 6: Final answer
    x = 2,308.69

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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.