Home / 3,661.55-5,052.62-2,169.21

Finding the Fourth Proportional to 3,661.55, 5,052.62 and 2,169.21

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Solution

The fourth proportional to 3,661.55, 5,052.62 and 2,169.21 is: 2,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.55 : 5,052.62 = 2,169.21 : x
  2. Step 2: Convert to fraction form
    3,661.55/5,052.62 = 2,169.21/x
  3. Step 3: Cross multiply
    3,661.55x = 5,052.62 × 2,169.21
  4. Step 4: Simplify right side
    3,661.55x = 10,960,182.98
  5. Step 5: Solve for x
    x = 10,960,182.98/3,661.55
  6. Step 6: Final answer
    x = 2,993.32

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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.