Home / 3,812.76-5,262.23-2,240.55

Finding the Fourth Proportional to 3,812.76, 5,262.23 and 2,240.55

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Solution

The fourth proportional to 3,812.76, 5,262.23 and 2,240.55 is: 3,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.76 : 5,262.23 = 2,240.55 : x
  2. Step 2: Convert to fraction form
    3,812.76/5,262.23 = 2,240.55/x
  3. Step 3: Cross multiply
    3,812.76x = 5,262.23 × 2,240.55
  4. Step 4: Simplify right side
    3,812.76x = 11,790,295.03
  5. Step 5: Solve for x
    x = 11,790,295.03/3,812.76
  6. Step 6: Final answer
    x = 3,092.33

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Find fourth proportional to 1,906.38, 2,631.12 and 1,120.28
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.