Home / 3,198.51-4,409.18-2,251.22

Finding the Fourth Proportional to 3,198.51, 4,409.18 and 2,251.22

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Solution

The fourth proportional to 3,198.51, 4,409.18 and 2,251.22 is: 3,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.51 : 4,409.18 = 2,251.22 : x
  2. Step 2: Convert to fraction form
    3,198.51/4,409.18 = 2,251.22/x
  3. Step 3: Cross multiply
    3,198.51x = 4,409.18 × 2,251.22
  4. Step 4: Simplify right side
    3,198.51x = 9,926,000.90
  5. Step 5: Solve for x
    x = 9,926,000.90/3,198.51
  6. Step 6: Final answer
    x = 3,103.32

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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.