Home / 2,170.73-3,254.27-1,758.85

Finding the Fourth Proportional to 2,170.73, 3,254.27 and 1,758.85

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Solution

The fourth proportional to 2,170.73, 3,254.27 and 1,758.85 is: 2,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.73 : 3,254.27 = 1,758.85 : x
  2. Step 2: Convert to fraction form
    2,170.73/3,254.27 = 1,758.85/x
  3. Step 3: Cross multiply
    2,170.73x = 3,254.27 × 1,758.85
  4. Step 4: Simplify right side
    2,170.73x = 5,723,755.86
  5. Step 5: Solve for x
    x = 5,723,755.86/2,170.73
  6. Step 6: Final answer
    x = 2,636.79

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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.