Home / 3,270.46-4,513.25-1,778.38

Finding the Fourth Proportional to 3,270.46, 4,513.25 and 1,778.38

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Solution

The fourth proportional to 3,270.46, 4,513.25 and 1,778.38 is: 2,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.46 : 4,513.25 = 1,778.38 : x
  2. Step 2: Convert to fraction form
    3,270.46/4,513.25 = 1,778.38/x
  3. Step 3: Cross multiply
    3,270.46x = 4,513.25 × 1,778.38
  4. Step 4: Simplify right side
    3,270.46x = 8,026,273.54
  5. Step 5: Solve for x
    x = 8,026,273.54/3,270.46
  6. Step 6: Final answer
    x = 2,454.17

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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.