Home / 1,942.64-2,912.91-1,015.97

Finding the Fourth Proportional to 1,942.64, 2,912.91 and 1,015.97

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Solution

The fourth proportional to 1,942.64, 2,912.91 and 1,015.97 is: 1,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.64 : 2,912.91 = 1,015.97 : x
  2. Step 2: Convert to fraction form
    1,942.64/2,912.91 = 1,015.97/x
  3. Step 3: Cross multiply
    1,942.64x = 2,912.91 × 1,015.97
  4. Step 4: Simplify right side
    1,942.64x = 2,959,429.17
  5. Step 5: Solve for x
    x = 2,959,429.17/1,942.64
  6. Step 6: Final answer
    x = 1,523.41

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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.