Home / 3,640.20-5,464.12-3,226.38

Finding the Fourth Proportional to 3,640.20, 5,464.12 and 3,226.38

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Solution

The fourth proportional to 3,640.20, 5,464.12 and 3,226.38 is: 4,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.20 : 5,464.12 = 3,226.38 : x
  2. Step 2: Convert to fraction form
    3,640.20/5,464.12 = 3,226.38/x
  3. Step 3: Cross multiply
    3,640.20x = 5,464.12 × 3,226.38
  4. Step 4: Simplify right side
    3,640.20x = 17,629,327.49
  5. Step 5: Solve for x
    x = 17,629,327.49/3,640.20
  6. Step 6: Final answer
    x = 4,842.96

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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.