Home / 3,636.42-5,452.74-1,170.78

Finding the Fourth Proportional to 3,636.42, 5,452.74 and 1,170.78

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Solution

The fourth proportional to 3,636.42, 5,452.74 and 1,170.78 is: 1,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.42 : 5,452.74 = 1,170.78 : x
  2. Step 2: Convert to fraction form
    3,636.42/5,452.74 = 1,170.78/x
  3. Step 3: Cross multiply
    3,636.42x = 5,452.74 × 1,170.78
  4. Step 4: Simplify right side
    3,636.42x = 6,383,958.94
  5. Step 5: Solve for x
    x = 6,383,958.94/3,636.42
  6. Step 6: Final answer
    x = 1,755.56

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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.