Home / 3,836.75-5,751.69-1,371.22

Finding the Fourth Proportional to 3,836.75, 5,751.69 and 1,371.22

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Solution

The fourth proportional to 3,836.75, 5,751.69 and 1,371.22 is: 2,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.75 : 5,751.69 = 1,371.22 : x
  2. Step 2: Convert to fraction form
    3,836.75/5,751.69 = 1,371.22/x
  3. Step 3: Cross multiply
    3,836.75x = 5,751.69 × 1,371.22
  4. Step 4: Simplify right side
    3,836.75x = 7,886,832.36
  5. Step 5: Solve for x
    x = 7,886,832.36/3,836.75
  6. Step 6: Final answer
    x = 2,055.60

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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.