Home / 2,819.66-4,222.19-1,944.86

Finding the Fourth Proportional to 2,819.66, 4,222.19 and 1,944.86

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Solution

The fourth proportional to 2,819.66, 4,222.19 and 1,944.86 is: 2,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.66 : 4,222.19 = 1,944.86 : x
  2. Step 2: Convert to fraction form
    2,819.66/4,222.19 = 1,944.86/x
  3. Step 3: Cross multiply
    2,819.66x = 4,222.19 × 1,944.86
  4. Step 4: Simplify right side
    2,819.66x = 8,211,552.19
  5. Step 5: Solve for x
    x = 8,211,552.19/2,819.66
  6. Step 6: Final answer
    x = 2,912.25

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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.