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Finding the Fourth Proportional to 3,797.48, 5,696.46 and 1,605.80

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Solution

The fourth proportional to 3,797.48, 5,696.46 and 1,605.80 is: 2,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.48 : 5,696.46 = 1,605.80 : x
  2. Step 2: Convert to fraction form
    3,797.48/5,696.46 = 1,605.80/x
  3. Step 3: Cross multiply
    3,797.48x = 5,696.46 × 1,605.80
  4. Step 4: Simplify right side
    3,797.48x = 9,147,375.47
  5. Step 5: Solve for x
    x = 9,147,375.47/3,797.48
  6. Step 6: Final answer
    x = 2,408.80

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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.