Home / 3,771.09-5,201.13-3,519.57

Finding the Fourth Proportional to 3,771.09, 5,201.13 and 3,519.57

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Solution

The fourth proportional to 3,771.09, 5,201.13 and 3,519.57 is: 4,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.09 : 5,201.13 = 3,519.57 : x
  2. Step 2: Convert to fraction form
    3,771.09/5,201.13 = 3,519.57/x
  3. Step 3: Cross multiply
    3,771.09x = 5,201.13 × 3,519.57
  4. Step 4: Simplify right side
    3,771.09x = 18,305,741.11
  5. Step 5: Solve for x
    x = 18,305,741.11/3,771.09
  6. Step 6: Final answer
    x = 4,854.23

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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.