Home / 2,768.62-4,134.98-2,508.10

Finding the Fourth Proportional to 2,768.62, 4,134.98 and 2,508.10

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Solution

The fourth proportional to 2,768.62, 4,134.98 and 2,508.10 is: 3,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.62 : 4,134.98 = 2,508.10 : x
  2. Step 2: Convert to fraction form
    2,768.62/4,134.98 = 2,508.10/x
  3. Step 3: Cross multiply
    2,768.62x = 4,134.98 × 2,508.10
  4. Step 4: Simplify right side
    2,768.62x = 10,370,922.66
  5. Step 5: Solve for x
    x = 10,370,922.66/2,768.62
  6. Step 6: Final answer
    x = 3,745.89

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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.