Home / 3,836.19-5,754.32-1,239.13

Finding the Fourth Proportional to 3,836.19, 5,754.32 and 1,239.13

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Solution

The fourth proportional to 3,836.19, 5,754.32 and 1,239.13 is: 1,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.19 : 5,754.32 = 1,239.13 : x
  2. Step 2: Convert to fraction form
    3,836.19/5,754.32 = 1,239.13/x
  3. Step 3: Cross multiply
    3,836.19x = 5,754.32 × 1,239.13
  4. Step 4: Simplify right side
    3,836.19x = 7,130,350.54
  5. Step 5: Solve for x
    x = 7,130,350.54/3,836.19
  6. Step 6: Final answer
    x = 1,858.71

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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.