Home / 3,853.68-5,317.97-2,175.07

Finding the Fourth Proportional to 3,853.68, 5,317.97 and 2,175.07

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Solution

The fourth proportional to 3,853.68, 5,317.97 and 2,175.07 is: 3,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.68 : 5,317.97 = 2,175.07 : x
  2. Step 2: Convert to fraction form
    3,853.68/5,317.97 = 2,175.07/x
  3. Step 3: Cross multiply
    3,853.68x = 5,317.97 × 2,175.07
  4. Step 4: Simplify right side
    3,853.68x = 11,566,932.84
  5. Step 5: Solve for x
    x = 11,566,932.84/3,853.68
  6. Step 6: Final answer
    x = 3,001.53

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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.