Home / 3,882.19-5,821.39-1,284.25

Finding the Fourth Proportional to 3,882.19, 5,821.39 and 1,284.25

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Solution

The fourth proportional to 3,882.19, 5,821.39 and 1,284.25 is: 1,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.19 : 5,821.39 = 1,284.25 : x
  2. Step 2: Convert to fraction form
    3,882.19/5,821.39 = 1,284.25/x
  3. Step 3: Cross multiply
    3,882.19x = 5,821.39 × 1,284.25
  4. Step 4: Simplify right side
    3,882.19x = 7,476,120.11
  5. Step 5: Solve for x
    x = 7,476,120.11/3,882.19
  6. Step 6: Final answer
    x = 1,925.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.