Home / 2,173.31-3,254.40-1,198.33

Finding the Fourth Proportional to 2,173.31, 3,254.40 and 1,198.33

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Solution

The fourth proportional to 2,173.31, 3,254.40 and 1,198.33 is: 1,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.31 : 3,254.40 = 1,198.33 : x
  2. Step 2: Convert to fraction form
    2,173.31/3,254.40 = 1,198.33/x
  3. Step 3: Cross multiply
    2,173.31x = 3,254.40 × 1,198.33
  4. Step 4: Simplify right side
    2,173.31x = 3,899,845.15
  5. Step 5: Solve for x
    x = 3,899,845.15/2,173.31
  6. Step 6: Final answer
    x = 1,794.43

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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.