Home / 3,891.19-5,836.07-1,293.43

Finding the Fourth Proportional to 3,891.19, 5,836.07 and 1,293.43

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Solution

The fourth proportional to 3,891.19, 5,836.07 and 1,293.43 is: 1,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.19 : 5,836.07 = 1,293.43 : x
  2. Step 2: Convert to fraction form
    3,891.19/5,836.07 = 1,293.43/x
  3. Step 3: Cross multiply
    3,891.19x = 5,836.07 × 1,293.43
  4. Step 4: Simplify right side
    3,891.19x = 7,548,541.55
  5. Step 5: Solve for x
    x = 7,548,541.55/3,891.19
  6. Step 6: Final answer
    x = 1,939.91

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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.