Home / 3,736.60-5,161.38-3,031.06

Finding the Fourth Proportional to 3,736.60, 5,161.38 and 3,031.06

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Solution

The fourth proportional to 3,736.60, 5,161.38 and 3,031.06 is: 4,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.60 : 5,161.38 = 3,031.06 : x
  2. Step 2: Convert to fraction form
    3,736.60/5,161.38 = 3,031.06/x
  3. Step 3: Cross multiply
    3,736.60x = 5,161.38 × 3,031.06
  4. Step 4: Simplify right side
    3,736.60x = 15,644,452.46
  5. Step 5: Solve for x
    x = 15,644,452.46/3,736.60
  6. Step 6: Final answer
    x = 4,186.81

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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.