Home / 3,198.24-4,800.16-1,556

Finding the Fourth Proportional to 3,198.24, 4,800.16 and 1,556

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Solution

The fourth proportional to 3,198.24, 4,800.16 and 1,556 is: 2,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.24 : 4,800.16 = 1,556 : x
  2. Step 2: Convert to fraction form
    3,198.24/4,800.16 = 1,556/x
  3. Step 3: Cross multiply
    3,198.24x = 4,800.16 × 1,556
  4. Step 4: Simplify right side
    3,198.24x = 7,469,048.96
  5. Step 5: Solve for x
    x = 7,469,048.96/3,198.24
  6. Step 6: Final answer
    x = 2,335.36

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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.