Home / 1,944.22-2,682.69-1,198.21

Finding the Fourth Proportional to 1,944.22, 2,682.69 and 1,198.21

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Solution

The fourth proportional to 1,944.22, 2,682.69 and 1,198.21 is: 1,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.22 : 2,682.69 = 1,198.21 : x
  2. Step 2: Convert to fraction form
    1,944.22/2,682.69 = 1,198.21/x
  3. Step 3: Cross multiply
    1,944.22x = 2,682.69 × 1,198.21
  4. Step 4: Simplify right side
    1,944.22x = 3,214,425.98
  5. Step 5: Solve for x
    x = 3,214,425.98/1,944.22
  6. Step 6: Final answer
    x = 1,653.32

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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.