Home / 2,226.92-3,338.13-1,127.96

Finding the Fourth Proportional to 2,226.92, 3,338.13 and 1,127.96

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Solution

The fourth proportional to 2,226.92, 3,338.13 and 1,127.96 is: 1,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.92 : 3,338.13 = 1,127.96 : x
  2. Step 2: Convert to fraction form
    2,226.92/3,338.13 = 1,127.96/x
  3. Step 3: Cross multiply
    2,226.92x = 3,338.13 × 1,127.96
  4. Step 4: Simplify right side
    2,226.92x = 3,765,277.11
  5. Step 5: Solve for x
    x = 3,765,277.11/2,226.92
  6. Step 6: Final answer
    x = 1,690.80

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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.