Home / 2,912.70-4,367.94-1,063.32

Finding the Fourth Proportional to 2,912.70, 4,367.94 and 1,063.32

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Solution

The fourth proportional to 2,912.70, 4,367.94 and 1,063.32 is: 1,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.70 : 4,367.94 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    2,912.70/4,367.94 = 1,063.32/x
  3. Step 3: Cross multiply
    2,912.70x = 4,367.94 × 1,063.32
  4. Step 4: Simplify right side
    2,912.70x = 4,644,517.96
  5. Step 5: Solve for x
    x = 4,644,517.96/2,912.70
  6. Step 6: Final answer
    x = 1,594.57

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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.