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Finding the Fourth Proportional to 1,893.36, 2,838 and 797.42

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Solution

The fourth proportional to 1,893.36, 2,838 and 797.42 is: 1,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.36 : 2,838 = 797.42 : x
  2. Step 2: Convert to fraction form
    1,893.36/2,838 = 797.42/x
  3. Step 3: Cross multiply
    1,893.36x = 2,838 × 797.42
  4. Step 4: Simplify right side
    1,893.36x = 2,263,077.96
  5. Step 5: Solve for x
    x = 2,263,077.96/1,893.36
  6. Step 6: Final answer
    x = 1,195.27

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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.