Home / 3,912.72-5,394.60-2,583.96

Finding the Fourth Proportional to 3,912.72, 5,394.60 and 2,583.96

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Solution

The fourth proportional to 3,912.72, 5,394.60 and 2,583.96 is: 3,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.72 : 5,394.60 = 2,583.96 : x
  2. Step 2: Convert to fraction form
    3,912.72/5,394.60 = 2,583.96/x
  3. Step 3: Cross multiply
    3,912.72x = 5,394.60 × 2,583.96
  4. Step 4: Simplify right side
    3,912.72x = 13,939,430.62
  5. Step 5: Solve for x
    x = 13,939,430.62/3,912.72
  6. Step 6: Final answer
    x = 3,562.59

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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.