Home / 3,066.38-4,231.60-1,824.38

Finding the Fourth Proportional to 3,066.38, 4,231.60 and 1,824.38

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Solution

The fourth proportional to 3,066.38, 4,231.60 and 1,824.38 is: 2,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.38 : 4,231.60 = 1,824.38 : x
  2. Step 2: Convert to fraction form
    3,066.38/4,231.60 = 1,824.38/x
  3. Step 3: Cross multiply
    3,066.38x = 4,231.60 × 1,824.38
  4. Step 4: Simplify right side
    3,066.38x = 7,720,020.69
  5. Step 5: Solve for x
    x = 7,720,020.69/3,066.38
  6. Step 6: Final answer
    x = 2,517.64

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Half scale
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Double scale
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Similar ratio
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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.