Home / 3,198.06-4,415.55-2,003.52

Finding the Fourth Proportional to 3,198.06, 4,415.55 and 2,003.52

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Solution

The fourth proportional to 3,198.06, 4,415.55 and 2,003.52 is: 2,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.06 : 4,415.55 = 2,003.52 : x
  2. Step 2: Convert to fraction form
    3,198.06/4,415.55 = 2,003.52/x
  3. Step 3: Cross multiply
    3,198.06x = 4,415.55 × 2,003.52
  4. Step 4: Simplify right side
    3,198.06x = 8,846,642.74
  5. Step 5: Solve for x
    x = 8,846,642.74/3,198.06
  6. Step 6: Final answer
    x = 2,766.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.