Home / 3,251.79-4,878.18-1,608.39

Finding the Fourth Proportional to 3,251.79, 4,878.18 and 1,608.39

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Solution

The fourth proportional to 3,251.79, 4,878.18 and 1,608.39 is: 2,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.79 : 4,878.18 = 1,608.39 : x
  2. Step 2: Convert to fraction form
    3,251.79/4,878.18 = 1,608.39/x
  3. Step 3: Cross multiply
    3,251.79x = 4,878.18 × 1,608.39
  4. Step 4: Simplify right side
    3,251.79x = 7,846,015.93
  5. Step 5: Solve for x
    x = 7,846,015.93/3,251.79
  6. Step 6: Final answer
    x = 2,412.83

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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.