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Finding the Fourth Proportional to 3,805.44, 5,707.82 and 2,699.60

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Solution

The fourth proportional to 3,805.44, 5,707.82 and 2,699.60 is: 4,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.44 : 5,707.82 = 2,699.60 : x
  2. Step 2: Convert to fraction form
    3,805.44/5,707.82 = 2,699.60/x
  3. Step 3: Cross multiply
    3,805.44x = 5,707.82 × 2,699.60
  4. Step 4: Simplify right side
    3,805.44x = 15,408,788.83
  5. Step 5: Solve for x
    x = 15,408,788.83/3,805.44
  6. Step 6: Final answer
    x = 4,049.15

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1.5x scale

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.