Home / 3,199.78-4,800.08-1,251.73

Finding the Fourth Proportional to 3,199.78, 4,800.08 and 1,251.73

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Solution

The fourth proportional to 3,199.78, 4,800.08 and 1,251.73 is: 1,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.78 : 4,800.08 = 1,251.73 : x
  2. Step 2: Convert to fraction form
    3,199.78/4,800.08 = 1,251.73/x
  3. Step 3: Cross multiply
    3,199.78x = 4,800.08 × 1,251.73
  4. Step 4: Simplify right side
    3,199.78x = 6,008,385.88
  5. Step 5: Solve for x
    x = 6,008,385.88/3,199.78
  6. Step 6: Final answer
    x = 1,877.75

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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.