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Finding the Fourth Proportional to 3,339.73, 5,013.47 and 1,954.06

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Solution

The fourth proportional to 3,339.73, 5,013.47 and 1,954.06 is: 2,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.73 : 5,013.47 = 1,954.06 : x
  2. Step 2: Convert to fraction form
    3,339.73/5,013.47 = 1,954.06/x
  3. Step 3: Cross multiply
    3,339.73x = 5,013.47 × 1,954.06
  4. Step 4: Simplify right side
    3,339.73x = 9,796,614.23
  5. Step 5: Solve for x
    x = 9,796,614.23/3,339.73
  6. Step 6: Final answer
    x = 2,933.36

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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.