Home / 2,046.22-3,069.06-1,121.56

Finding the Fourth Proportional to 2,046.22, 3,069.06 and 1,121.56

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Solution

The fourth proportional to 2,046.22, 3,069.06 and 1,121.56 is: 1,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.22 : 3,069.06 = 1,121.56 : x
  2. Step 2: Convert to fraction form
    2,046.22/3,069.06 = 1,121.56/x
  3. Step 3: Cross multiply
    2,046.22x = 3,069.06 × 1,121.56
  4. Step 4: Simplify right side
    2,046.22x = 3,442,134.93
  5. Step 5: Solve for x
    x = 3,442,134.93/2,046.22
  6. Step 6: Final answer
    x = 1,682.19

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1.5x scale

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.