Home / 3,799.68-5,240.56-2,739.04

Finding the Fourth Proportional to 3,799.68, 5,240.56 and 2,739.04

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Solution

The fourth proportional to 3,799.68, 5,240.56 and 2,739.04 is: 3,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.68 : 5,240.56 = 2,739.04 : x
  2. Step 2: Convert to fraction form
    3,799.68/5,240.56 = 2,739.04/x
  3. Step 3: Cross multiply
    3,799.68x = 5,240.56 × 2,739.04
  4. Step 4: Simplify right side
    3,799.68x = 14,354,103.46
  5. Step 5: Solve for x
    x = 14,354,103.46/3,799.68
  6. Step 6: Final answer
    x = 3,777.71

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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.