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Finding the Fourth Proportional to 1,601.26, 2,400.00 and 722.73

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Solution

The fourth proportional to 1,601.26, 2,400.00 and 722.73 is: 1,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.26 : 2,400.00 = 722.73 : x
  2. Step 2: Convert to fraction form
    1,601.26/2,400.00 = 722.73/x
  3. Step 3: Cross multiply
    1,601.26x = 2,400.00 × 722.73
  4. Step 4: Simplify right side
    1,601.26x = 1,734,558.29
  5. Step 5: Solve for x
    x = 1,734,558.29/1,601.26
  6. Step 6: Final answer
    x = 1,083.25

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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.