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Finding the Fourth Proportional to 3,661.09, 5,052.10 and 2,169.14

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Solution

The fourth proportional to 3,661.09, 5,052.10 and 2,169.14 is: 2,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.09 : 5,052.10 = 2,169.14 : x
  2. Step 2: Convert to fraction form
    3,661.09/5,052.10 = 2,169.14/x
  3. Step 3: Cross multiply
    3,661.09x = 5,052.10 × 2,169.14
  4. Step 4: Simplify right side
    3,661.09x = 10,958,701.35
  5. Step 5: Solve for x
    x = 10,958,701.35/3,661.09
  6. Step 6: Final answer
    x = 2,993.29

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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.