Home / 3,869.11-5,799.72-1,528.18

Finding the Fourth Proportional to 3,869.11, 5,799.72 and 1,528.18

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Solution

The fourth proportional to 3,869.11, 5,799.72 and 1,528.18 is: 2,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.11 : 5,799.72 = 1,528.18 : x
  2. Step 2: Convert to fraction form
    3,869.11/5,799.72 = 1,528.18/x
  3. Step 3: Cross multiply
    3,869.11x = 5,799.72 × 1,528.18
  4. Step 4: Simplify right side
    3,869.11x = 8,863,016.11
  5. Step 5: Solve for x
    x = 8,863,016.11/3,869.11
  6. Step 6: Final answer
    x = 2,290.71

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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.