Home / 3,967.26-5,474.84-2,198.90

Finding the Fourth Proportional to 3,967.26, 5,474.84 and 2,198.90

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Solution

The fourth proportional to 3,967.26, 5,474.84 and 2,198.90 is: 3,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.26 : 5,474.84 = 2,198.90 : x
  2. Step 2: Convert to fraction form
    3,967.26/5,474.84 = 2,198.90/x
  3. Step 3: Cross multiply
    3,967.26x = 5,474.84 × 2,198.90
  4. Step 4: Simplify right side
    3,967.26x = 12,038,587.31
  5. Step 5: Solve for x
    x = 12,038,587.31/3,967.26
  6. Step 6: Final answer
    x = 3,034.48

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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.