Home / 2,831.18-4,246.82-982.36

Finding the Fourth Proportional to 2,831.18, 4,246.82 and 982.36

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Solution

The fourth proportional to 2,831.18, 4,246.82 and 982.36 is: 1,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.18 : 4,246.82 = 982.36 : x
  2. Step 2: Convert to fraction form
    2,831.18/4,246.82 = 982.36/x
  3. Step 3: Cross multiply
    2,831.18x = 4,246.82 × 982.36
  4. Step 4: Simplify right side
    2,831.18x = 4,171,906.10
  5. Step 5: Solve for x
    x = 4,171,906.10/2,831.18
  6. Step 6: Final answer
    x = 1,473.56

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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.