Home / 2,819.60-4,226.70-2,194.55

Finding the Fourth Proportional to 2,819.60, 4,226.70 and 2,194.55

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Solution

The fourth proportional to 2,819.60, 4,226.70 and 2,194.55 is: 3,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.60 : 4,226.70 = 2,194.55 : x
  2. Step 2: Convert to fraction form
    2,819.60/4,226.70 = 2,194.55/x
  3. Step 3: Cross multiply
    2,819.60x = 4,226.70 × 2,194.55
  4. Step 4: Simplify right side
    2,819.60x = 9,275,704.49
  5. Step 5: Solve for x
    x = 9,275,704.49/2,819.60
  6. Step 6: Final answer
    x = 3,289.72

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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.