Home / 2,189.06-3,020.96-1,194.43

Finding the Fourth Proportional to 2,189.06, 3,020.96 and 1,194.43

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Solution

The fourth proportional to 2,189.06, 3,020.96 and 1,194.43 is: 1,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.06 : 3,020.96 = 1,194.43 : x
  2. Step 2: Convert to fraction form
    2,189.06/3,020.96 = 1,194.43/x
  3. Step 3: Cross multiply
    2,189.06x = 3,020.96 × 1,194.43
  4. Step 4: Simplify right side
    2,189.06x = 3,608,325.25
  5. Step 5: Solve for x
    x = 3,608,325.25/2,189.06
  6. Step 6: Final answer
    x = 1,648.34

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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.