Home / 2,998.38-4,137.82-1,672.04

Finding the Fourth Proportional to 2,998.38, 4,137.82 and 1,672.04

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Solution

The fourth proportional to 2,998.38, 4,137.82 and 1,672.04 is: 2,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.38 : 4,137.82 = 1,672.04 : x
  2. Step 2: Convert to fraction form
    2,998.38/4,137.82 = 1,672.04/x
  3. Step 3: Cross multiply
    2,998.38x = 4,137.82 × 1,672.04
  4. Step 4: Simplify right side
    2,998.38x = 6,918,600.55
  5. Step 5: Solve for x
    x = 6,918,600.55/2,998.38
  6. Step 6: Final answer
    x = 2,307.45

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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.