Home / 3,936.14-5,904.62-1,339.28

Finding the Fourth Proportional to 3,936.14, 5,904.62 and 1,339.28

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Solution

The fourth proportional to 3,936.14, 5,904.62 and 1,339.28 is: 2,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.14 : 5,904.62 = 1,339.28 : x
  2. Step 2: Convert to fraction form
    3,936.14/5,904.62 = 1,339.28/x
  3. Step 3: Cross multiply
    3,936.14x = 5,904.62 × 1,339.28
  4. Step 4: Simplify right side
    3,936.14x = 7,907,939.47
  5. Step 5: Solve for x
    x = 7,907,939.47/3,936.14
  6. Step 6: Final answer
    x = 2,009.06

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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.