Home / 3,270.45-4,516.94-2,220.69

Finding the Fourth Proportional to 3,270.45, 4,516.94 and 2,220.69

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Solution

The fourth proportional to 3,270.45, 4,516.94 and 2,220.69 is: 3,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.45 : 4,516.94 = 2,220.69 : x
  2. Step 2: Convert to fraction form
    3,270.45/4,516.94 = 2,220.69/x
  3. Step 3: Cross multiply
    3,270.45x = 4,516.94 × 2,220.69
  4. Step 4: Simplify right side
    3,270.45x = 10,030,723.49
  5. Step 5: Solve for x
    x = 10,030,723.49/3,270.45
  6. Step 6: Final answer
    x = 3,067.08

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Half scale
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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.