Home / 3,933.08-5,427.61-2,164.65

Finding the Fourth Proportional to 3,933.08, 5,427.61 and 2,164.65

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Solution

The fourth proportional to 3,933.08, 5,427.61 and 2,164.65 is: 2,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.08 : 5,427.61 = 2,164.65 : x
  2. Step 2: Convert to fraction form
    3,933.08/5,427.61 = 2,164.65/x
  3. Step 3: Cross multiply
    3,933.08x = 5,427.61 × 2,164.65
  4. Step 4: Simplify right side
    3,933.08x = 11,748,850.22
  5. Step 5: Solve for x
    x = 11,748,850.22/3,933.08
  6. Step 6: Final answer
    x = 2,987.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.