Home / 3,813.72-5,262.66-2,241.60

Finding the Fourth Proportional to 3,813.72, 5,262.66 and 2,241.60

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Solution

The fourth proportional to 3,813.72, 5,262.66 and 2,241.60 is: 3,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.72 : 5,262.66 = 2,241.60 : x
  2. Step 2: Convert to fraction form
    3,813.72/5,262.66 = 2,241.60/x
  3. Step 3: Cross multiply
    3,813.72x = 5,262.66 × 2,241.60
  4. Step 4: Simplify right side
    3,813.72x = 11,796,778.66
  5. Step 5: Solve for x
    x = 11,796,778.66/3,813.72
  6. Step 6: Final answer
    x = 3,093.25

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1.5x scale

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.