Home / 3,147.50-4,716.99-1,198.64

Finding the Fourth Proportional to 3,147.50, 4,716.99 and 1,198.64

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Solution

The fourth proportional to 3,147.50, 4,716.99 and 1,198.64 is: 1,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.50 : 4,716.99 = 1,198.64 : x
  2. Step 2: Convert to fraction form
    3,147.50/4,716.99 = 1,198.64/x
  3. Step 3: Cross multiply
    3,147.50x = 4,716.99 × 1,198.64
  4. Step 4: Simplify right side
    3,147.50x = 5,653,971.49
  5. Step 5: Solve for x
    x = 5,653,971.49/3,147.50
  6. Step 6: Final answer
    x = 1,796.34

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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.