Home / 2,831.02-4,244.97-1,942.57

Finding the Fourth Proportional to 2,831.02, 4,244.97 and 1,942.57

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Solution

The fourth proportional to 2,831.02, 4,244.97 and 1,942.57 is: 2,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.02 : 4,244.97 = 1,942.57 : x
  2. Step 2: Convert to fraction form
    2,831.02/4,244.97 = 1,942.57/x
  3. Step 3: Cross multiply
    2,831.02x = 4,244.97 × 1,942.57
  4. Step 4: Simplify right side
    2,831.02x = 8,246,151.37
  5. Step 5: Solve for x
    x = 8,246,151.37/2,831.02
  6. Step 6: Final answer
    x = 2,912.78

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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.