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Finding the Fourth Proportional to 3,805.73, 5,709.86 and 1,697.04

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Solution

The fourth proportional to 3,805.73, 5,709.86 and 1,697.04 is: 2,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.73 : 5,709.86 = 1,697.04 : x
  2. Step 2: Convert to fraction form
    3,805.73/5,709.86 = 1,697.04/x
  3. Step 3: Cross multiply
    3,805.73x = 5,709.86 × 1,697.04
  4. Step 4: Simplify right side
    3,805.73x = 9,689,852.33
  5. Step 5: Solve for x
    x = 9,689,852.33/3,805.73
  6. Step 6: Final answer
    x = 2,546.13

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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.