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Finding the Fourth Proportional to 3,661.00, 5,480.73 and 2,269.87

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Solution

The fourth proportional to 3,661.00, 5,480.73 and 2,269.87 is: 3,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.00 : 5,480.73 = 2,269.87 : x
  2. Step 2: Convert to fraction form
    3,661.00/5,480.73 = 2,269.87/x
  3. Step 3: Cross multiply
    3,661.00x = 5,480.73 × 2,269.87
  4. Step 4: Simplify right side
    3,661.00x = 12,440,530.90
  5. Step 5: Solve for x
    x = 12,440,530.90/3,661.00
  6. Step 6: Final answer
    x = 3,398.13

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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.