Home / 2,694.28-4,043.82-1,721.20

Finding the Fourth Proportional to 2,694.28, 4,043.82 and 1,721.20

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Solution

The fourth proportional to 2,694.28, 4,043.82 and 1,721.20 is: 2,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.28 : 4,043.82 = 1,721.20 : x
  2. Step 2: Convert to fraction form
    2,694.28/4,043.82 = 1,721.20/x
  3. Step 3: Cross multiply
    2,694.28x = 4,043.82 × 1,721.20
  4. Step 4: Simplify right side
    2,694.28x = 6,960,222.98
  5. Step 5: Solve for x
    x = 6,960,222.98/2,694.28
  6. Step 6: Final answer
    x = 2,583.33

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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.