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Finding the Fourth Proportional to 3,342.36, 5,015.36 and 1,493.40

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Solution

The fourth proportional to 3,342.36, 5,015.36 and 1,493.40 is: 2,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.36 : 5,015.36 = 1,493.40 : x
  2. Step 2: Convert to fraction form
    3,342.36/5,015.36 = 1,493.40/x
  3. Step 3: Cross multiply
    3,342.36x = 5,015.36 × 1,493.40
  4. Step 4: Simplify right side
    3,342.36x = 7,489,906.08
  5. Step 5: Solve for x
    x = 7,489,906.08/3,342.36
  6. Step 6: Final answer
    x = 2,240.91

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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.