Home / 2,819.79-4,224.20-1,359.97

Finding the Fourth Proportional to 2,819.79, 4,224.20 and 1,359.97

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Solution

The fourth proportional to 2,819.79, 4,224.20 and 1,359.97 is: 2,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.79 : 4,224.20 = 1,359.97 : x
  2. Step 2: Convert to fraction form
    2,819.79/4,224.20 = 1,359.97/x
  3. Step 3: Cross multiply
    2,819.79x = 4,224.20 × 1,359.97
  4. Step 4: Simplify right side
    2,819.79x = 5,744,767.91
  5. Step 5: Solve for x
    x = 5,744,767.91/2,819.79
  6. Step 6: Final answer
    x = 2,037.30

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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.