Home / 2,226.20-3,321.23-2,004.75

Finding the Fourth Proportional to 2,226.20, 3,321.23 and 2,004.75

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Solution

The fourth proportional to 2,226.20, 3,321.23 and 2,004.75 is: 2,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.20 : 3,321.23 = 2,004.75 : x
  2. Step 2: Convert to fraction form
    2,226.20/3,321.23 = 2,004.75/x
  3. Step 3: Cross multiply
    2,226.20x = 3,321.23 × 2,004.75
  4. Step 4: Simplify right side
    2,226.20x = 6,658,225.82
  5. Step 5: Solve for x
    x = 6,658,225.82/2,226.20
  6. Step 6: Final answer
    x = 2,990.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.