Home / 3,740.60-5,161.96-2,168.66

Finding the Fourth Proportional to 3,740.60, 5,161.96 and 2,168.66

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Solution

The fourth proportional to 3,740.60, 5,161.96 and 2,168.66 is: 2,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.60 : 5,161.96 = 2,168.66 : x
  2. Step 2: Convert to fraction form
    3,740.60/5,161.96 = 2,168.66/x
  3. Step 3: Cross multiply
    3,740.60x = 5,161.96 × 2,168.66
  4. Step 4: Simplify right side
    3,740.60x = 11,194,536.17
  5. Step 5: Solve for x
    x = 11,194,536.17/3,740.60
  6. Step 6: Final answer
    x = 2,992.71

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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.