Home / 3,932.74-5,427.04-2,164.33

Finding the Fourth Proportional to 3,932.74, 5,427.04 and 2,164.33

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Solution

The fourth proportional to 3,932.74, 5,427.04 and 2,164.33 is: 2,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.74 : 5,427.04 = 2,164.33 : x
  2. Step 2: Convert to fraction form
    3,932.74/5,427.04 = 2,164.33/x
  3. Step 3: Cross multiply
    3,932.74x = 5,427.04 × 2,164.33
  4. Step 4: Simplify right side
    3,932.74x = 11,745,905.48
  5. Step 5: Solve for x
    x = 11,745,905.48/3,932.74
  6. Step 6: Final answer
    x = 2,986.70

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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.