Home / 3,798.38-5,249.01-2,739.62

Finding the Fourth Proportional to 3,798.38, 5,249.01 and 2,739.62

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Solution

The fourth proportional to 3,798.38, 5,249.01 and 2,739.62 is: 3,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.38 : 5,249.01 = 2,739.62 : x
  2. Step 2: Convert to fraction form
    3,798.38/5,249.01 = 2,739.62/x
  3. Step 3: Cross multiply
    3,798.38x = 5,249.01 × 2,739.62
  4. Step 4: Simplify right side
    3,798.38x = 14,380,292.78
  5. Step 5: Solve for x
    x = 14,380,292.78/3,798.38
  6. Step 6: Final answer
    x = 3,785.90

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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.