Home / 2,831.41-4,240.92-2,007.18

Finding the Fourth Proportional to 2,831.41, 4,240.92 and 2,007.18

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Solution

The fourth proportional to 2,831.41, 4,240.92 and 2,007.18 is: 3,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.41 : 4,240.92 = 2,007.18 : x
  2. Step 2: Convert to fraction form
    2,831.41/4,240.92 = 2,007.18/x
  3. Step 3: Cross multiply
    2,831.41x = 4,240.92 × 2,007.18
  4. Step 4: Simplify right side
    2,831.41x = 8,512,289.81
  5. Step 5: Solve for x
    x = 8,512,289.81/2,831.41
  6. Step 6: Final answer
    x = 3,006.38

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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.