Home / 3,389.72-5,084.64-1,198.48

Finding the Fourth Proportional to 3,389.72, 5,084.64 and 1,198.48

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Solution

The fourth proportional to 3,389.72, 5,084.64 and 1,198.48 is: 1,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.72 : 5,084.64 = 1,198.48 : x
  2. Step 2: Convert to fraction form
    3,389.72/5,084.64 = 1,198.48/x
  3. Step 3: Cross multiply
    3,389.72x = 5,084.64 × 1,198.48
  4. Step 4: Simplify right side
    3,389.72x = 6,093,839.35
  5. Step 5: Solve for x
    x = 6,093,839.35/3,389.72
  6. Step 6: Final answer
    x = 1,797.74

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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.