Home / 3,785.25-5,219.19-2,669.88

Finding the Fourth Proportional to 3,785.25, 5,219.19 and 2,669.88

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Solution

The fourth proportional to 3,785.25, 5,219.19 and 2,669.88 is: 3,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.25 : 5,219.19 = 2,669.88 : x
  2. Step 2: Convert to fraction form
    3,785.25/5,219.19 = 2,669.88/x
  3. Step 3: Cross multiply
    3,785.25x = 5,219.19 × 2,669.88
  4. Step 4: Simplify right side
    3,785.25x = 13,934,611.00
  5. Step 5: Solve for x
    x = 13,934,611.00/3,785.25
  6. Step 6: Final answer
    x = 3,681.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.