Home / 3,198.09-4,797.83-1,812.09

Finding the Fourth Proportional to 3,198.09, 4,797.83 and 1,812.09

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Solution

The fourth proportional to 3,198.09, 4,797.83 and 1,812.09 is: 2,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.09 : 4,797.83 = 1,812.09 : x
  2. Step 2: Convert to fraction form
    3,198.09/4,797.83 = 1,812.09/x
  3. Step 3: Cross multiply
    3,198.09x = 4,797.83 × 1,812.09
  4. Step 4: Simplify right side
    3,198.09x = 8,694,099.76
  5. Step 5: Solve for x
    x = 8,694,099.76/3,198.09
  6. Step 6: Final answer
    x = 2,718.53

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1.5x scale

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.