Home / 3,899.37-5,845.41-2,667.36

Finding the Fourth Proportional to 3,899.37, 5,845.41 and 2,667.36

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Solution

The fourth proportional to 3,899.37, 5,845.41 and 2,667.36 is: 3,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.37 : 5,845.41 = 2,667.36 : x
  2. Step 2: Convert to fraction form
    3,899.37/5,845.41 = 2,667.36/x
  3. Step 3: Cross multiply
    3,899.37x = 5,845.41 × 2,667.36
  4. Step 4: Simplify right side
    3,899.37x = 15,591,812.82
  5. Step 5: Solve for x
    x = 15,591,812.82/3,899.37
  6. Step 6: Final answer
    x = 3,998.55

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1.5x scale

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.