Home / 3,198.08-4,788.48-2,040.32

Finding the Fourth Proportional to 3,198.08, 4,788.48 and 2,040.32

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Solution

The fourth proportional to 3,198.08, 4,788.48 and 2,040.32 is: 3,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.08 : 4,788.48 = 2,040.32 : x
  2. Step 2: Convert to fraction form
    3,198.08/4,788.48 = 2,040.32/x
  3. Step 3: Cross multiply
    3,198.08x = 4,788.48 × 2,040.32
  4. Step 4: Simplify right side
    3,198.08x = 9,770,031.51
  5. Step 5: Solve for x
    x = 9,770,031.51/3,198.08
  6. Step 6: Final answer
    x = 3,054.97

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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.