Home / 3,760.36-5,188.78-2,247.91

Finding the Fourth Proportional to 3,760.36, 5,188.78 and 2,247.91

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Solution

The fourth proportional to 3,760.36, 5,188.78 and 2,247.91 is: 3,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.36 : 5,188.78 = 2,247.91 : x
  2. Step 2: Convert to fraction form
    3,760.36/5,188.78 = 2,247.91/x
  3. Step 3: Cross multiply
    3,760.36x = 5,188.78 × 2,247.91
  4. Step 4: Simplify right side
    3,760.36x = 11,663,910.45
  5. Step 5: Solve for x
    x = 11,663,910.45/3,760.36
  6. Step 6: Final answer
    x = 3,101.81

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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.