Home / 3,388.25-5,083.70-1,440.61

Finding the Fourth Proportional to 3,388.25, 5,083.70 and 1,440.61

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Solution

The fourth proportional to 3,388.25, 5,083.70 and 1,440.61 is: 2,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.25 : 5,083.70 = 1,440.61 : x
  2. Step 2: Convert to fraction form
    3,388.25/5,083.70 = 1,440.61/x
  3. Step 3: Cross multiply
    3,388.25x = 5,083.70 × 1,440.61
  4. Step 4: Simplify right side
    3,388.25x = 7,323,609.14
  5. Step 5: Solve for x
    x = 7,323,609.14/3,388.25
  6. Step 6: Final answer
    x = 2,161.47

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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.