Home / 1,943.52-2,683.26-1,198.48

Finding the Fourth Proportional to 1,943.52, 2,683.26 and 1,198.48

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Solution

The fourth proportional to 1,943.52, 2,683.26 and 1,198.48 is: 1,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.52 : 2,683.26 = 1,198.48 : x
  2. Step 2: Convert to fraction form
    1,943.52/2,683.26 = 1,198.48/x
  3. Step 3: Cross multiply
    1,943.52x = 2,683.26 × 1,198.48
  4. Step 4: Simplify right side
    1,943.52x = 3,215,833.44
  5. Step 5: Solve for x
    x = 3,215,833.44/1,943.52
  6. Step 6: Final answer
    x = 1,654.64

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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.