Home / 3,694.36-5,541.86-1,229.20

Finding the Fourth Proportional to 3,694.36, 5,541.86 and 1,229.20

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Solution

The fourth proportional to 3,694.36, 5,541.86 and 1,229.20 is: 1,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.36 : 5,541.86 = 1,229.20 : x
  2. Step 2: Convert to fraction form
    3,694.36/5,541.86 = 1,229.20/x
  3. Step 3: Cross multiply
    3,694.36x = 5,541.86 × 1,229.20
  4. Step 4: Simplify right side
    3,694.36x = 6,812,054.31
  5. Step 5: Solve for x
    x = 6,812,054.31/3,694.36
  6. Step 6: Final answer
    x = 1,843.91

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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.