Home / 3,943.44-5,442-2,175.04

Finding the Fourth Proportional to 3,943.44, 5,442 and 2,175.04

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Solution

The fourth proportional to 3,943.44, 5,442 and 2,175.04 is: 3,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.44 : 5,442 = 2,175.04 : x
  2. Step 2: Convert to fraction form
    3,943.44/5,442 = 2,175.04/x
  3. Step 3: Cross multiply
    3,943.44x = 5,442 × 2,175.04
  4. Step 4: Simplify right side
    3,943.44x = 11,836,567.68
  5. Step 5: Solve for x
    x = 11,836,567.68/3,943.44
  6. Step 6: Final answer
    x = 3,001.58

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1.5x scale

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.