Home / 2,144.07-3,218.85-1,170.86

Finding the Fourth Proportional to 2,144.07, 3,218.85 and 1,170.86

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Solution

The fourth proportional to 2,144.07, 3,218.85 and 1,170.86 is: 1,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.07 : 3,218.85 = 1,170.86 : x
  2. Step 2: Convert to fraction form
    2,144.07/3,218.85 = 1,170.86/x
  3. Step 3: Cross multiply
    2,144.07x = 3,218.85 × 1,170.86
  4. Step 4: Simplify right side
    2,144.07x = 3,768,806.62
  5. Step 5: Solve for x
    x = 3,768,806.62/2,144.07
  6. Step 6: Final answer
    x = 1,757.78

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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.