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Finding the Fourth Proportional to 1,324.86, 1,827.03 and 852.27

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Solution

The fourth proportional to 1,324.86, 1,827.03 and 852.27 is: 1,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.86 : 1,827.03 = 852.27 : x
  2. Step 2: Convert to fraction form
    1,324.86/1,827.03 = 852.27/x
  3. Step 3: Cross multiply
    1,324.86x = 1,827.03 × 852.27
  4. Step 4: Simplify right side
    1,324.86x = 1,557,122.86
  5. Step 5: Solve for x
    x = 1,557,122.86/1,324.86
  6. Step 6: Final answer
    x = 1,175.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.