Home / 3,661.85-5,050.97-2,168.66

Finding the Fourth Proportional to 3,661.85, 5,050.97 and 2,168.66

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Solution

The fourth proportional to 3,661.85, 5,050.97 and 2,168.66 is: 2,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.85 : 5,050.97 = 2,168.66 : x
  2. Step 2: Convert to fraction form
    3,661.85/5,050.97 = 2,168.66/x
  3. Step 3: Cross multiply
    3,661.85x = 5,050.97 × 2,168.66
  4. Step 4: Simplify right side
    3,661.85x = 10,953,836.60
  5. Step 5: Solve for x
    x = 10,953,836.60/3,661.85
  6. Step 6: Final answer
    x = 2,991.34

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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.