Home / 2,233.17-3,081.80-1,238.54

Finding the Fourth Proportional to 2,233.17, 3,081.80 and 1,238.54

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Solution

The fourth proportional to 2,233.17, 3,081.80 and 1,238.54 is: 1,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.17 : 3,081.80 = 1,238.54 : x
  2. Step 2: Convert to fraction form
    2,233.17/3,081.80 = 1,238.54/x
  3. Step 3: Cross multiply
    2,233.17x = 3,081.80 × 1,238.54
  4. Step 4: Simplify right side
    2,233.17x = 3,816,920.26
  5. Step 5: Solve for x
    x = 3,816,920.26/2,233.17
  6. Step 6: Final answer
    x = 1,709.19

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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.