Home / 2,200-3,295.20-1,831.36

Finding the Fourth Proportional to 2,200, 3,295.20 and 1,831.36

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Solution

The fourth proportional to 2,200, 3,295.20 and 1,831.36 is: 2,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200 : 3,295.20 = 1,831.36 : x
  2. Step 2: Convert to fraction form
    2,200/3,295.20 = 1,831.36/x
  3. Step 3: Cross multiply
    2,200x = 3,295.20 × 1,831.36
  4. Step 4: Simplify right side
    2,200x = 6,034,697.47
  5. Step 5: Solve for x
    x = 6,034,697.47/2,200
  6. Step 6: Final answer
    x = 2,743.04

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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.