Home / 2,422.96-3,629.28-1,831.43

Finding the Fourth Proportional to 2,422.96, 3,629.28 and 1,831.43

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Solution

The fourth proportional to 2,422.96, 3,629.28 and 1,831.43 is: 2,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.96 : 3,629.28 = 1,831.43 : x
  2. Step 2: Convert to fraction form
    2,422.96/3,629.28 = 1,831.43/x
  3. Step 3: Cross multiply
    2,422.96x = 3,629.28 × 1,831.43
  4. Step 4: Simplify right side
    2,422.96x = 6,646,772.27
  5. Step 5: Solve for x
    x = 6,646,772.27/2,422.96
  6. Step 6: Final answer
    x = 2,743.24

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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.