Home / 3,198.36-4,793.16-1,635.09

Finding the Fourth Proportional to 3,198.36, 4,793.16 and 1,635.09

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Solution

The fourth proportional to 3,198.36, 4,793.16 and 1,635.09 is: 2,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.36 : 4,793.16 = 1,635.09 : x
  2. Step 2: Convert to fraction form
    3,198.36/4,793.16 = 1,635.09/x
  3. Step 3: Cross multiply
    3,198.36x = 4,793.16 × 1,635.09
  4. Step 4: Simplify right side
    3,198.36x = 7,837,247.98
  5. Step 5: Solve for x
    x = 7,837,247.98/3,198.36
  6. Step 6: Final answer
    x = 2,450.40

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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.