Home / 3,824.38-5,731.22-1,971.60

Finding the Fourth Proportional to 3,824.38, 5,731.22 and 1,971.60

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Solution

The fourth proportional to 3,824.38, 5,731.22 and 1,971.60 is: 2,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.38 : 5,731.22 = 1,971.60 : x
  2. Step 2: Convert to fraction form
    3,824.38/5,731.22 = 1,971.60/x
  3. Step 3: Cross multiply
    3,824.38x = 5,731.22 × 1,971.60
  4. Step 4: Simplify right side
    3,824.38x = 11,299,689.03
  5. Step 5: Solve for x
    x = 11,299,689.03/3,824.38
  6. Step 6: Final answer
    x = 2,954.65

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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.