Home / 3,893.24-5,372.60-2,191.74

Finding the Fourth Proportional to 3,893.24, 5,372.60 and 2,191.74

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Solution

The fourth proportional to 3,893.24, 5,372.60 and 2,191.74 is: 3,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.24 : 5,372.60 = 2,191.74 : x
  2. Step 2: Convert to fraction form
    3,893.24/5,372.60 = 2,191.74/x
  3. Step 3: Cross multiply
    3,893.24x = 5,372.60 × 2,191.74
  4. Step 4: Simplify right side
    3,893.24x = 11,775,341.44
  5. Step 5: Solve for x
    x = 11,775,341.44/3,893.24
  6. Step 6: Final answer
    x = 3,024.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.