Home / 2,819.67-4,222.17-1,944.87

Finding the Fourth Proportional to 2,819.67, 4,222.17 and 1,944.87

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Solution

The fourth proportional to 2,819.67, 4,222.17 and 1,944.87 is: 2,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.67 : 4,222.17 = 1,944.87 : x
  2. Step 2: Convert to fraction form
    2,819.67/4,222.17 = 1,944.87/x
  3. Step 3: Cross multiply
    2,819.67x = 4,222.17 × 1,944.87
  4. Step 4: Simplify right side
    2,819.67x = 8,211,571.77
  5. Step 5: Solve for x
    x = 8,211,571.77/2,819.67
  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.