Home / 2,354.96-3,251.72-2,249.20

Finding the Fourth Proportional to 2,354.96, 3,251.72 and 2,249.20

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Solution

The fourth proportional to 2,354.96, 3,251.72 and 2,249.20 is: 3,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.96 : 3,251.72 = 2,249.20 : x
  2. Step 2: Convert to fraction form
    2,354.96/3,251.72 = 2,249.20/x
  3. Step 3: Cross multiply
    2,354.96x = 3,251.72 × 2,249.20
  4. Step 4: Simplify right side
    2,354.96x = 7,313,768.62
  5. Step 5: Solve for x
    x = 7,313,768.62/2,354.96
  6. Step 6: Final answer
    x = 3,105.69

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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.