Home / 3,440.76-5,161.82-1,249.56

Finding the Fourth Proportional to 3,440.76, 5,161.82 and 1,249.56

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Solution

The fourth proportional to 3,440.76, 5,161.82 and 1,249.56 is: 1,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.76 : 5,161.82 = 1,249.56 : x
  2. Step 2: Convert to fraction form
    3,440.76/5,161.82 = 1,249.56/x
  3. Step 3: Cross multiply
    3,440.76x = 5,161.82 × 1,249.56
  4. Step 4: Simplify right side
    3,440.76x = 6,450,003.80
  5. Step 5: Solve for x
    x = 6,450,003.80/3,440.76
  6. Step 6: Final answer
    x = 1,874.59

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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.