Home / 3,229.37-4,831.80-1,913.83

Finding the Fourth Proportional to 3,229.37, 4,831.80 and 1,913.83

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Solution

The fourth proportional to 3,229.37, 4,831.80 and 1,913.83 is: 2,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.37 : 4,831.80 = 1,913.83 : x
  2. Step 2: Convert to fraction form
    3,229.37/4,831.80 = 1,913.83/x
  3. Step 3: Cross multiply
    3,229.37x = 4,831.80 × 1,913.83
  4. Step 4: Simplify right side
    3,229.37x = 9,247,235.30
  5. Step 5: Solve for x
    x = 9,247,235.30/3,229.37
  6. Step 6: Final answer
    x = 2,863.48

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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.