Home / 3,227.33-4,452.86-1,900.78

Finding the Fourth Proportional to 3,227.33, 4,452.86 and 1,900.78

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Solution

The fourth proportional to 3,227.33, 4,452.86 and 1,900.78 is: 2,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.33 : 4,452.86 = 1,900.78 : x
  2. Step 2: Convert to fraction form
    3,227.33/4,452.86 = 1,900.78/x
  3. Step 3: Cross multiply
    3,227.33x = 4,452.86 × 1,900.78
  4. Step 4: Simplify right side
    3,227.33x = 8,463,900.85
  5. Step 5: Solve for x
    x = 8,463,900.85/3,227.33
  6. Step 6: Final answer
    x = 2,622.57

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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.