Home / 3,741.42-5,161.71-2,147.49

Finding the Fourth Proportional to 3,741.42, 5,161.71 and 2,147.49

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Solution

The fourth proportional to 3,741.42, 5,161.71 and 2,147.49 is: 2,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.42 : 5,161.71 = 2,147.49 : x
  2. Step 2: Convert to fraction form
    3,741.42/5,161.71 = 2,147.49/x
  3. Step 3: Cross multiply
    3,741.42x = 5,161.71 × 2,147.49
  4. Step 4: Simplify right side
    3,741.42x = 11,084,709.87
  5. Step 5: Solve for x
    x = 11,084,709.87/3,741.42
  6. Step 6: Final answer
    x = 2,962.70

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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.