Home / 2,639.44-3,958.62-1,667.44

Finding the Fourth Proportional to 2,639.44, 3,958.62 and 1,667.44

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Solution

The fourth proportional to 2,639.44, 3,958.62 and 1,667.44 is: 2,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.44 : 3,958.62 = 1,667.44 : x
  2. Step 2: Convert to fraction form
    2,639.44/3,958.62 = 1,667.44/x
  3. Step 3: Cross multiply
    2,639.44x = 3,958.62 × 1,667.44
  4. Step 4: Simplify right side
    2,639.44x = 6,600,761.33
  5. Step 5: Solve for x
    x = 6,600,761.33/2,639.44
  6. Step 6: Final answer
    x = 2,500.82

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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.