Home / 2,763.91-4,140.60-2,144.56

Finding the Fourth Proportional to 2,763.91, 4,140.60 and 2,144.56

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Solution

The fourth proportional to 2,763.91, 4,140.60 and 2,144.56 is: 3,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.91 : 4,140.60 = 2,144.56 : x
  2. Step 2: Convert to fraction form
    2,763.91/4,140.60 = 2,144.56/x
  3. Step 3: Cross multiply
    2,763.91x = 4,140.60 × 2,144.56
  4. Step 4: Simplify right side
    2,763.91x = 8,879,765.14
  5. Step 5: Solve for x
    x = 8,879,765.14/2,763.91
  6. Step 6: Final answer
    x = 3,212.75

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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.