Home / 3,198.30-4,798.35-1,350.30

Finding the Fourth Proportional to 3,198.30, 4,798.35 and 1,350.30

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Solution

The fourth proportional to 3,198.30, 4,798.35 and 1,350.30 is: 2,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.30 : 4,798.35 = 1,350.30 : x
  2. Step 2: Convert to fraction form
    3,198.30/4,798.35 = 1,350.30/x
  3. Step 3: Cross multiply
    3,198.30x = 4,798.35 × 1,350.30
  4. Step 4: Simplify right side
    3,198.30x = 6,479,212.01
  5. Step 5: Solve for x
    x = 6,479,212.01/3,198.30
  6. Step 6: Final answer
    x = 2,025.83

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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.