Home / 2,414.44-3,328.26-1,989.64

Finding the Fourth Proportional to 2,414.44, 3,328.26 and 1,989.64

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Solution

The fourth proportional to 2,414.44, 3,328.26 and 1,989.64 is: 2,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.44 : 3,328.26 = 1,989.64 : x
  2. Step 2: Convert to fraction form
    2,414.44/3,328.26 = 1,989.64/x
  3. Step 3: Cross multiply
    2,414.44x = 3,328.26 × 1,989.64
  4. Step 4: Simplify right side
    2,414.44x = 6,622,039.23
  5. Step 5: Solve for x
    x = 6,622,039.23/2,414.44
  6. Step 6: Final answer
    x = 2,742.68

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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.