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Finding the Fourth Proportional to 3,893.69, 5,373.29 and 2,496.44

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Solution

The fourth proportional to 3,893.69, 5,373.29 and 2,496.44 is: 3,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.69 : 5,373.29 = 2,496.44 : x
  2. Step 2: Convert to fraction form
    3,893.69/5,373.29 = 2,496.44/x
  3. Step 3: Cross multiply
    3,893.69x = 5,373.29 × 2,496.44
  4. Step 4: Simplify right side
    3,893.69x = 13,414,096.09
  5. Step 5: Solve for x
    x = 13,414,096.09/3,893.69
  6. Step 6: Final answer
    x = 3,445.09

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1.5x scale

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.