Home / 3,740.16-5,161.44-2,168.64

Finding the Fourth Proportional to 3,740.16, 5,161.44 and 2,168.64

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Solution

The fourth proportional to 3,740.16, 5,161.44 and 2,168.64 is: 2,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.16 : 5,161.44 = 2,168.64 : x
  2. Step 2: Convert to fraction form
    3,740.16/5,161.44 = 2,168.64/x
  3. Step 3: Cross multiply
    3,740.16x = 5,161.44 × 2,168.64
  4. Step 4: Simplify right side
    3,740.16x = 11,193,305.24
  5. Step 5: Solve for x
    x = 11,193,305.24/3,740.16
  6. Step 6: Final answer
    x = 2,992.73

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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.