Home / 3,249.72-4,874.58-1,519.56

Finding the Fourth Proportional to 3,249.72, 4,874.58 and 1,519.56

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Solution

The fourth proportional to 3,249.72, 4,874.58 and 1,519.56 is: 2,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.72 : 4,874.58 = 1,519.56 : x
  2. Step 2: Convert to fraction form
    3,249.72/4,874.58 = 1,519.56/x
  3. Step 3: Cross multiply
    3,249.72x = 4,874.58 × 1,519.56
  4. Step 4: Simplify right side
    3,249.72x = 7,407,216.78
  5. Step 5: Solve for x
    x = 7,407,216.78/3,249.72
  6. Step 6: Final answer
    x = 2,279.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.