Home / 3,933.16-5,427.41-2,164.73

Finding the Fourth Proportional to 3,933.16, 5,427.41 and 2,164.73

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Solution

The fourth proportional to 3,933.16, 5,427.41 and 2,164.73 is: 2,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.16 : 5,427.41 = 2,164.73 : x
  2. Step 2: Convert to fraction form
    3,933.16/5,427.41 = 2,164.73/x
  3. Step 3: Cross multiply
    3,933.16x = 5,427.41 × 2,164.73
  4. Step 4: Simplify right side
    3,933.16x = 11,748,839.29
  5. Step 5: Solve for x
    x = 11,748,839.29/3,933.16
  6. Step 6: Final answer
    x = 2,987.13

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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.