Home / 2,189.22-3,021.22-1,194.46

Finding the Fourth Proportional to 2,189.22, 3,021.22 and 1,194.46

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Solution

The fourth proportional to 2,189.22, 3,021.22 and 1,194.46 is: 1,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.22 : 3,021.22 = 1,194.46 : x
  2. Step 2: Convert to fraction form
    2,189.22/3,021.22 = 1,194.46/x
  3. Step 3: Cross multiply
    2,189.22x = 3,021.22 × 1,194.46
  4. Step 4: Simplify right side
    2,189.22x = 3,608,726.44
  5. Step 5: Solve for x
    x = 3,608,726.44/2,189.22
  6. Step 6: Final answer
    x = 1,648.41

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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.