Home / 2,198.25-3,033.77-1,266.75

Finding the Fourth Proportional to 2,198.25, 3,033.77 and 1,266.75

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Solution

The fourth proportional to 2,198.25, 3,033.77 and 1,266.75 is: 1,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.25 : 3,033.77 = 1,266.75 : x
  2. Step 2: Convert to fraction form
    2,198.25/3,033.77 = 1,266.75/x
  3. Step 3: Cross multiply
    2,198.25x = 3,033.77 × 1,266.75
  4. Step 4: Simplify right side
    2,198.25x = 3,843,021.81
  5. Step 5: Solve for x
    x = 3,843,021.81/2,198.25
  6. Step 6: Final answer
    x = 1,748.22

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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.