Home / 3,968.44-5,476.46-2,175.95

Finding the Fourth Proportional to 3,968.44, 5,476.46 and 2,175.95

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Solution

The fourth proportional to 3,968.44, 5,476.46 and 2,175.95 is: 3,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.44 : 5,476.46 = 2,175.95 : x
  2. Step 2: Convert to fraction form
    3,968.44/5,476.46 = 2,175.95/x
  3. Step 3: Cross multiply
    3,968.44x = 5,476.46 × 2,175.95
  4. Step 4: Simplify right side
    3,968.44x = 11,916,500.04
  5. Step 5: Solve for x
    x = 11,916,500.04/3,968.44
  6. Step 6: Final answer
    x = 3,002.82

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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.