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Finding the Fourth Proportional to 3,322.44, 4,989.42 and 2,746.44

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Solution

The fourth proportional to 3,322.44, 4,989.42 and 2,746.44 is: 4,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.44 : 4,989.42 = 2,746.44 : x
  2. Step 2: Convert to fraction form
    3,322.44/4,989.42 = 2,746.44/x
  3. Step 3: Cross multiply
    3,322.44x = 4,989.42 × 2,746.44
  4. Step 4: Simplify right side
    3,322.44x = 13,703,142.66
  5. Step 5: Solve for x
    x = 13,703,142.66/3,322.44
  6. Step 6: Final answer
    x = 4,124.42

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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.