Home / 2,297.75-3,170.91-1,249.85

Finding the Fourth Proportional to 2,297.75, 3,170.91 and 1,249.85

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Solution

The fourth proportional to 2,297.75, 3,170.91 and 1,249.85 is: 1,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.75 : 3,170.91 = 1,249.85 : x
  2. Step 2: Convert to fraction form
    2,297.75/3,170.91 = 1,249.85/x
  3. Step 3: Cross multiply
    2,297.75x = 3,170.91 × 1,249.85
  4. Step 4: Simplify right side
    2,297.75x = 3,963,161.86
  5. Step 5: Solve for x
    x = 3,963,161.86/2,297.75
  6. Step 6: Final answer
    x = 1,724.80

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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.