Home / 3,743.30-5,164.61-2,171.09

Finding the Fourth Proportional to 3,743.30, 5,164.61 and 2,171.09

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Solution

The fourth proportional to 3,743.30, 5,164.61 and 2,171.09 is: 2,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.30 : 5,164.61 = 2,171.09 : x
  2. Step 2: Convert to fraction form
    3,743.30/5,164.61 = 2,171.09/x
  3. Step 3: Cross multiply
    3,743.30x = 5,164.61 × 2,171.09
  4. Step 4: Simplify right side
    3,743.30x = 11,212,796.45
  5. Step 5: Solve for x
    x = 11,212,796.45/3,743.30
  6. Step 6: Final answer
    x = 2,995.43

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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.