Home / 2,191.36-3,283.14-1,149.82

Finding the Fourth Proportional to 2,191.36, 3,283.14 and 1,149.82

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Solution

The fourth proportional to 2,191.36, 3,283.14 and 1,149.82 is: 1,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.36 : 3,283.14 = 1,149.82 : x
  2. Step 2: Convert to fraction form
    2,191.36/3,283.14 = 1,149.82/x
  3. Step 3: Cross multiply
    2,191.36x = 3,283.14 × 1,149.82
  4. Step 4: Simplify right side
    2,191.36x = 3,775,020.03
  5. Step 5: Solve for x
    x = 3,775,020.03/2,191.36
  6. Step 6: Final answer
    x = 1,722.68

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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.