Home / 3,905.80-5,850.49-2,667.41

Finding the Fourth Proportional to 3,905.80, 5,850.49 and 2,667.41

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Solution

The fourth proportional to 3,905.80, 5,850.49 and 2,667.41 is: 3,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.80 : 5,850.49 = 2,667.41 : x
  2. Step 2: Convert to fraction form
    3,905.80/5,850.49 = 2,667.41/x
  3. Step 3: Cross multiply
    3,905.80x = 5,850.49 × 2,667.41
  4. Step 4: Simplify right side
    3,905.80x = 15,605,655.53
  5. Step 5: Solve for x
    x = 15,605,655.53/3,905.80
  6. Step 6: Final answer
    x = 3,995.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.