Home / 3,887.90-5,831.82-2,243.39

Finding the Fourth Proportional to 3,887.90, 5,831.82 and 2,243.39

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Solution

The fourth proportional to 3,887.90, 5,831.82 and 2,243.39 is: 3,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.90 : 5,831.82 = 2,243.39 : x
  2. Step 2: Convert to fraction form
    3,887.90/5,831.82 = 2,243.39/x
  3. Step 3: Cross multiply
    3,887.90x = 5,831.82 × 2,243.39
  4. Step 4: Simplify right side
    3,887.90x = 13,083,046.67
  5. Step 5: Solve for x
    x = 13,083,046.67/3,887.90
  6. Step 6: Final answer
    x = 3,365.07

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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.