Home / 3,799.28-5,243.26-2,680.60

Finding the Fourth Proportional to 3,799.28, 5,243.26 and 2,680.60

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Solution

The fourth proportional to 3,799.28, 5,243.26 and 2,680.60 is: 3,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.28 : 5,243.26 = 2,680.60 : x
  2. Step 2: Convert to fraction form
    3,799.28/5,243.26 = 2,680.60/x
  3. Step 3: Cross multiply
    3,799.28x = 5,243.26 × 2,680.60
  4. Step 4: Simplify right side
    3,799.28x = 14,055,082.76
  5. Step 5: Solve for x
    x = 14,055,082.76/3,799.28
  6. Step 6: Final answer
    x = 3,699.41

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Half 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.