Home / 3,967.40-5,474.93-2,198.97

Finding the Fourth Proportional to 3,967.40, 5,474.93 and 2,198.97

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Solution

The fourth proportional to 3,967.40, 5,474.93 and 2,198.97 is: 3,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.40 : 5,474.93 = 2,198.97 : x
  2. Step 2: Convert to fraction form
    3,967.40/5,474.93 = 2,198.97/x
  3. Step 3: Cross multiply
    3,967.40x = 5,474.93 × 2,198.97
  4. Step 4: Simplify right side
    3,967.40x = 12,039,168.45
  5. Step 5: Solve for x
    x = 12,039,168.45/3,967.40
  6. Step 6: Final answer
    x = 3,034.53

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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.