Home / 2,988.89-4,481.85-1,892.42

Finding the Fourth Proportional to 2,988.89, 4,481.85 and 1,892.42

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Solution

The fourth proportional to 2,988.89, 4,481.85 and 1,892.42 is: 2,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.89 : 4,481.85 = 1,892.42 : x
  2. Step 2: Convert to fraction form
    2,988.89/4,481.85 = 1,892.42/x
  3. Step 3: Cross multiply
    2,988.89x = 4,481.85 × 1,892.42
  4. Step 4: Simplify right side
    2,988.89x = 8,481,542.58
  5. Step 5: Solve for x
    x = 8,481,542.58/2,988.89
  6. Step 6: Final answer
    x = 2,837.69

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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.