Home / 2,831.83-4,247.75-1,351.17

Finding the Fourth Proportional to 2,831.83, 4,247.75 and 1,351.17

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Solution

The fourth proportional to 2,831.83, 4,247.75 and 1,351.17 is: 2,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.83 : 4,247.75 = 1,351.17 : x
  2. Step 2: Convert to fraction form
    2,831.83/4,247.75 = 1,351.17/x
  3. Step 3: Cross multiply
    2,831.83x = 4,247.75 × 1,351.17
  4. Step 4: Simplify right side
    2,831.83x = 5,739,435.75
  5. Step 5: Solve for x
    x = 5,739,435.75/2,831.83
  6. Step 6: Final answer
    x = 2,026.76

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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.