Home / 2,981.89-4,472.88-2,546.29

Finding the Fourth Proportional to 2,981.89, 4,472.88 and 2,546.29

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Solution

The fourth proportional to 2,981.89, 4,472.88 and 2,546.29 is: 3,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.89 : 4,472.88 = 2,546.29 : x
  2. Step 2: Convert to fraction form
    2,981.89/4,472.88 = 2,546.29/x
  3. Step 3: Cross multiply
    2,981.89x = 4,472.88 × 2,546.29
  4. Step 4: Simplify right side
    2,981.89x = 11,389,249.62
  5. Step 5: Solve for x
    x = 11,389,249.62/2,981.89
  6. Step 6: Final answer
    x = 3,819.47

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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.