Home / 3,287.94-4,919.55-1,966.83

Finding the Fourth Proportional to 3,287.94, 4,919.55 and 1,966.83

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Solution

The fourth proportional to 3,287.94, 4,919.55 and 1,966.83 is: 2,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.94 : 4,919.55 = 1,966.83 : x
  2. Step 2: Convert to fraction form
    3,287.94/4,919.55 = 1,966.83/x
  3. Step 3: Cross multiply
    3,287.94x = 4,919.55 × 1,966.83
  4. Step 4: Simplify right side
    3,287.94x = 9,675,893.93
  5. Step 5: Solve for x
    x = 9,675,893.93/3,287.94
  6. Step 6: Final answer
    x = 2,942.85

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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.