Home / 2,195.33-3,288.66-1,153.77

Finding the Fourth Proportional to 2,195.33, 3,288.66 and 1,153.77

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Solution

The fourth proportional to 2,195.33, 3,288.66 and 1,153.77 is: 1,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.33 : 3,288.66 = 1,153.77 : x
  2. Step 2: Convert to fraction form
    2,195.33/3,288.66 = 1,153.77/x
  3. Step 3: Cross multiply
    2,195.33x = 3,288.66 × 1,153.77
  4. Step 4: Simplify right side
    2,195.33x = 3,794,357.25
  5. Step 5: Solve for x
    x = 3,794,357.25/2,195.33
  6. Step 6: Final answer
    x = 1,728.38

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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.