Home / 3,389.97-5,087.18-1,198.62

Finding the Fourth Proportional to 3,389.97, 5,087.18 and 1,198.62

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Solution

The fourth proportional to 3,389.97, 5,087.18 and 1,198.62 is: 1,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.97 : 5,087.18 = 1,198.62 : x
  2. Step 2: Convert to fraction form
    3,389.97/5,087.18 = 1,198.62/x
  3. Step 3: Cross multiply
    3,389.97x = 5,087.18 × 1,198.62
  4. Step 4: Simplify right side
    3,389.97x = 6,097,595.69
  5. Step 5: Solve for x
    x = 6,097,595.69/3,389.97
  6. Step 6: Final answer
    x = 1,798.72

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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.