Home / 3,199.67-4,800.32-1,251.21

Finding the Fourth Proportional to 3,199.67, 4,800.32 and 1,251.21

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Solution

The fourth proportional to 3,199.67, 4,800.32 and 1,251.21 is: 1,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.67 : 4,800.32 = 1,251.21 : x
  2. Step 2: Convert to fraction form
    3,199.67/4,800.32 = 1,251.21/x
  3. Step 3: Cross multiply
    3,199.67x = 4,800.32 × 1,251.21
  4. Step 4: Simplify right side
    3,199.67x = 6,006,202.13
  5. Step 5: Solve for x
    x = 6,006,202.13/3,199.67
  6. Step 6: Final answer
    x = 1,877.13

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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.