Home / 2,768.22-4,126.68-2,560.86

Finding the Fourth Proportional to 2,768.22, 4,126.68 and 2,560.86

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Solution

The fourth proportional to 2,768.22, 4,126.68 and 2,560.86 is: 3,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.22 : 4,126.68 = 2,560.86 : x
  2. Step 2: Convert to fraction form
    2,768.22/4,126.68 = 2,560.86/x
  3. Step 3: Cross multiply
    2,768.22x = 4,126.68 × 2,560.86
  4. Step 4: Simplify right side
    2,768.22x = 10,567,836.94
  5. Step 5: Solve for x
    x = 10,567,836.94/2,768.22
  6. Step 6: Final answer
    x = 3,817.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.