Home / 2,819.86-4,229.80-1,529.54

Finding the Fourth Proportional to 2,819.86, 4,229.80 and 1,529.54

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Solution

The fourth proportional to 2,819.86, 4,229.80 and 1,529.54 is: 2,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.86 : 4,229.80 = 1,529.54 : x
  2. Step 2: Convert to fraction form
    2,819.86/4,229.80 = 1,529.54/x
  3. Step 3: Cross multiply
    2,819.86x = 4,229.80 × 1,529.54
  4. Step 4: Simplify right side
    2,819.86x = 6,469,648.29
  5. Step 5: Solve for x
    x = 6,469,648.29/2,819.86
  6. Step 6: Final answer
    x = 2,294.32

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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.