Home / 1,324.49-1,827.82-727.01

Finding the Fourth Proportional to 1,324.49, 1,827.82 and 727.01

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Solution

The fourth proportional to 1,324.49, 1,827.82 and 727.01 is: 1,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.49 : 1,827.82 = 727.01 : x
  2. Step 2: Convert to fraction form
    1,324.49/1,827.82 = 727.01/x
  3. Step 3: Cross multiply
    1,324.49x = 1,827.82 × 727.01
  4. Step 4: Simplify right side
    1,324.49x = 1,328,842.04
  5. Step 5: Solve for x
    x = 1,328,842.04/1,324.49
  6. Step 6: Final answer
    x = 1,003.29

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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.