Home / 3,198.76-4,795.90-2,226.76

Finding the Fourth Proportional to 3,198.76, 4,795.90 and 2,226.76

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Solution

The fourth proportional to 3,198.76, 4,795.90 and 2,226.76 is: 3,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.76 : 4,795.90 = 2,226.76 : x
  2. Step 2: Convert to fraction form
    3,198.76/4,795.90 = 2,226.76/x
  3. Step 3: Cross multiply
    3,198.76x = 4,795.90 × 2,226.76
  4. Step 4: Simplify right side
    3,198.76x = 10,679,318.28
  5. Step 5: Solve for x
    x = 10,679,318.28/3,198.76
  6. Step 6: Final answer
    x = 3,338.58

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1.5x scale

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.