Home / 3,280.42-4,523.94-2,443.18

Finding the Fourth Proportional to 3,280.42, 4,523.94 and 2,443.18

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Solution

The fourth proportional to 3,280.42, 4,523.94 and 2,443.18 is: 3,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.42 : 4,523.94 = 2,443.18 : x
  2. Step 2: Convert to fraction form
    3,280.42/4,523.94 = 2,443.18/x
  3. Step 3: Cross multiply
    3,280.42x = 4,523.94 × 2,443.18
  4. Step 4: Simplify right side
    3,280.42x = 11,052,799.73
  5. Step 5: Solve for x
    x = 11,052,799.73/3,280.42
  6. Step 6: Final answer
    x = 3,369.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.