Home / 3,639.05-5,458.92-1,447.29

Finding the Fourth Proportional to 3,639.05, 5,458.92 and 1,447.29

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Solution

The fourth proportional to 3,639.05, 5,458.92 and 1,447.29 is: 2,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.05 : 5,458.92 = 1,447.29 : x
  2. Step 2: Convert to fraction form
    3,639.05/5,458.92 = 1,447.29/x
  3. Step 3: Cross multiply
    3,639.05x = 5,458.92 × 1,447.29
  4. Step 4: Simplify right side
    3,639.05x = 7,900,640.33
  5. Step 5: Solve for x
    x = 7,900,640.33/3,639.05
  6. Step 6: Final answer
    x = 2,171.08

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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.