Home / 3,198.74-4,793.94-1,637.42

Finding the Fourth Proportional to 3,198.74, 4,793.94 and 1,637.42

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Solution

The fourth proportional to 3,198.74, 4,793.94 and 1,637.42 is: 2,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.74 : 4,793.94 = 1,637.42 : x
  2. Step 2: Convert to fraction form
    3,198.74/4,793.94 = 1,637.42/x
  3. Step 3: Cross multiply
    3,198.74x = 4,793.94 × 1,637.42
  4. Step 4: Simplify right side
    3,198.74x = 7,849,669.27
  5. Step 5: Solve for x
    x = 7,849,669.27/3,198.74
  6. Step 6: Final answer
    x = 2,453.99

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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.