Home / 2,766.68-4,144.26-2,148.20

Finding the Fourth Proportional to 2,766.68, 4,144.26 and 2,148.20

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Solution

The fourth proportional to 2,766.68, 4,144.26 and 2,148.20 is: 3,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.68 : 4,144.26 = 2,148.20 : x
  2. Step 2: Convert to fraction form
    2,766.68/4,144.26 = 2,148.20/x
  3. Step 3: Cross multiply
    2,766.68x = 4,144.26 × 2,148.20
  4. Step 4: Simplify right side
    2,766.68x = 8,902,699.33
  5. Step 5: Solve for x
    x = 8,902,699.33/2,766.68
  6. Step 6: Final answer
    x = 3,217.83

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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.