Home / 2,194.51-3,291.73-1,489.97

Finding the Fourth Proportional to 2,194.51, 3,291.73 and 1,489.97

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Solution

The fourth proportional to 2,194.51, 3,291.73 and 1,489.97 is: 2,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.51 : 3,291.73 = 1,489.97 : x
  2. Step 2: Convert to fraction form
    2,194.51/3,291.73 = 1,489.97/x
  3. Step 3: Cross multiply
    2,194.51x = 3,291.73 × 1,489.97
  4. Step 4: Simplify right side
    2,194.51x = 4,904,578.95
  5. Step 5: Solve for x
    x = 4,904,578.95/2,194.51
  6. Step 6: Final answer
    x = 2,234.93

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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.