Home / 2,193.45-3,027.02-1,198.79

Finding the Fourth Proportional to 2,193.45, 3,027.02 and 1,198.79

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Solution

The fourth proportional to 2,193.45, 3,027.02 and 1,198.79 is: 1,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.45 : 3,027.02 = 1,198.79 : x
  2. Step 2: Convert to fraction form
    2,193.45/3,027.02 = 1,198.79/x
  3. Step 3: Cross multiply
    2,193.45x = 3,027.02 × 1,198.79
  4. Step 4: Simplify right side
    2,193.45x = 3,628,761.31
  5. Step 5: Solve for x
    x = 3,628,761.31/2,193.45
  6. Step 6: Final answer
    x = 1,654.36

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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.