Home / 1,942.14-2,912.18-1,015.46

Finding the Fourth Proportional to 1,942.14, 2,912.18 and 1,015.46

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Solution

The fourth proportional to 1,942.14, 2,912.18 and 1,015.46 is: 1,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.14 : 2,912.18 = 1,015.46 : x
  2. Step 2: Convert to fraction form
    1,942.14/2,912.18 = 1,015.46/x
  3. Step 3: Cross multiply
    1,942.14x = 2,912.18 × 1,015.46
  4. Step 4: Simplify right side
    1,942.14x = 2,957,202.30
  5. Step 5: Solve for x
    x = 2,957,202.30/1,942.14
  6. Step 6: Final answer
    x = 1,522.65

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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.