Home / 3,761.14-5,190.36-2,105.14

Finding the Fourth Proportional to 3,761.14, 5,190.36 and 2,105.14

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Solution

The fourth proportional to 3,761.14, 5,190.36 and 2,105.14 is: 2,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.14 : 5,190.36 = 2,105.14 : x
  2. Step 2: Convert to fraction form
    3,761.14/5,190.36 = 2,105.14/x
  3. Step 3: Cross multiply
    3,761.14x = 5,190.36 × 2,105.14
  4. Step 4: Simplify right side
    3,761.14x = 10,926,434.45
  5. Step 5: Solve for x
    x = 10,926,434.45/3,761.14
  6. Step 6: Final answer
    x = 2,905.09

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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.