Home / 3,788.18-5,680.65-1,322.27

Finding the Fourth Proportional to 3,788.18, 5,680.65 and 1,322.27

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Solution

The fourth proportional to 3,788.18, 5,680.65 and 1,322.27 is: 1,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.18 : 5,680.65 = 1,322.27 : x
  2. Step 2: Convert to fraction form
    3,788.18/5,680.65 = 1,322.27/x
  3. Step 3: Cross multiply
    3,788.18x = 5,680.65 × 1,322.27
  4. Step 4: Simplify right side
    3,788.18x = 7,511,353.08
  5. Step 5: Solve for x
    x = 7,511,353.08/3,788.18
  6. Step 6: Final answer
    x = 1,982.84

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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.