Home / 3,831.20-5,737.74-1,883.96

Finding the Fourth Proportional to 3,831.20, 5,737.74 and 1,883.96

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Solution

The fourth proportional to 3,831.20, 5,737.74 and 1,883.96 is: 2,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.20 : 5,737.74 = 1,883.96 : x
  2. Step 2: Convert to fraction form
    3,831.20/5,737.74 = 1,883.96/x
  3. Step 3: Cross multiply
    3,831.20x = 5,737.74 × 1,883.96
  4. Step 4: Simplify right side
    3,831.20x = 10,809,672.65
  5. Step 5: Solve for x
    x = 10,809,672.65/3,831.20
  6. Step 6: Final answer
    x = 2,821.48

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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.