Home / 3,799.38-5,240.28-2,540.01

Finding the Fourth Proportional to 3,799.38, 5,240.28 and 2,540.01

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Solution

The fourth proportional to 3,799.38, 5,240.28 and 2,540.01 is: 3,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.38 : 5,240.28 = 2,540.01 : x
  2. Step 2: Convert to fraction form
    3,799.38/5,240.28 = 2,540.01/x
  3. Step 3: Cross multiply
    3,799.38x = 5,240.28 × 2,540.01
  4. Step 4: Simplify right side
    3,799.38x = 13,310,363.60
  5. Step 5: Solve for x
    x = 13,310,363.60/3,799.38
  6. Step 6: Final answer
    x = 3,503.30

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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.