Home / 3,163.19-4,367.26-2,831.04

Finding the Fourth Proportional to 3,163.19, 4,367.26 and 2,831.04

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Solution

The fourth proportional to 3,163.19, 4,367.26 and 2,831.04 is: 3,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.19 : 4,367.26 = 2,831.04 : x
  2. Step 2: Convert to fraction form
    3,163.19/4,367.26 = 2,831.04/x
  3. Step 3: Cross multiply
    3,163.19x = 4,367.26 × 2,831.04
  4. Step 4: Simplify right side
    3,163.19x = 12,363,873.60
  5. Step 5: Solve for x
    x = 12,363,873.60/3,163.19
  6. Step 6: Final answer
    x = 3,908.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.