Home / 3,198.04-4,788.21-1,634.68

Finding the Fourth Proportional to 3,198.04, 4,788.21 and 1,634.68

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Solution

The fourth proportional to 3,198.04, 4,788.21 and 1,634.68 is: 2,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.04 : 4,788.21 = 1,634.68 : x
  2. Step 2: Convert to fraction form
    3,198.04/4,788.21 = 1,634.68/x
  3. Step 3: Cross multiply
    3,198.04x = 4,788.21 × 1,634.68
  4. Step 4: Simplify right side
    3,198.04x = 7,827,191.09
  5. Step 5: Solve for x
    x = 7,827,191.09/3,198.04
  6. Step 6: Final answer
    x = 2,447.49

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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.