Home / 2,644.97-3,964.58-1,721.18

Finding the Fourth Proportional to 2,644.97, 3,964.58 and 1,721.18

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Solution

The fourth proportional to 2,644.97, 3,964.58 and 1,721.18 is: 2,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.97 : 3,964.58 = 1,721.18 : x
  2. Step 2: Convert to fraction form
    2,644.97/3,964.58 = 1,721.18/x
  3. Step 3: Cross multiply
    2,644.97x = 3,964.58 × 1,721.18
  4. Step 4: Simplify right side
    2,644.97x = 6,823,755.80
  5. Step 5: Solve for x
    x = 6,823,755.80/2,644.97
  6. Step 6: Final answer
    x = 2,579.90

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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.