Home / 2,912.20-4,367.82-1,352.14

Finding the Fourth Proportional to 2,912.20, 4,367.82 and 1,352.14

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Solution

The fourth proportional to 2,912.20, 4,367.82 and 1,352.14 is: 2,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.20 : 4,367.82 = 1,352.14 : x
  2. Step 2: Convert to fraction form
    2,912.20/4,367.82 = 1,352.14/x
  3. Step 3: Cross multiply
    2,912.20x = 4,367.82 × 1,352.14
  4. Step 4: Simplify right side
    2,912.20x = 5,905,904.13
  5. Step 5: Solve for x
    x = 5,905,904.13/2,912.20
  6. Step 6: Final answer
    x = 2,027.99

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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.