Home / 3,760.64-5,186.52-2,874.80

Finding the Fourth Proportional to 3,760.64, 5,186.52 and 2,874.80

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Solution

The fourth proportional to 3,760.64, 5,186.52 and 2,874.80 is: 3,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.64 : 5,186.52 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    3,760.64/5,186.52 = 2,874.80/x
  3. Step 3: Cross multiply
    3,760.64x = 5,186.52 × 2,874.80
  4. Step 4: Simplify right side
    3,760.64x = 14,910,207.70
  5. Step 5: Solve for x
    x = 14,910,207.70/3,760.64
  6. Step 6: Final answer
    x = 3,964.81

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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.