Home / 2,831.98-4,247.39-1,076.37

Finding the Fourth Proportional to 2,831.98, 4,247.39 and 1,076.37

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Solution

The fourth proportional to 2,831.98, 4,247.39 and 1,076.37 is: 1,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.98 : 4,247.39 = 1,076.37 : x
  2. Step 2: Convert to fraction form
    2,831.98/4,247.39 = 1,076.37/x
  3. Step 3: Cross multiply
    2,831.98x = 4,247.39 × 1,076.37
  4. Step 4: Simplify right side
    2,831.98x = 4,571,763.85
  5. Step 5: Solve for x
    x = 4,571,763.85/2,831.98
  6. Step 6: Final answer
    x = 1,614.33

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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.