Home / 2,961.73-4,438.36-2,175.56

Finding the Fourth Proportional to 2,961.73, 4,438.36 and 2,175.56

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Solution

The fourth proportional to 2,961.73, 4,438.36 and 2,175.56 is: 3,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.73 : 4,438.36 = 2,175.56 : x
  2. Step 2: Convert to fraction form
    2,961.73/4,438.36 = 2,175.56/x
  3. Step 3: Cross multiply
    2,961.73x = 4,438.36 × 2,175.56
  4. Step 4: Simplify right side
    2,961.73x = 9,655,924.14
  5. Step 5: Solve for x
    x = 9,655,924.14/2,961.73
  6. Step 6: Final answer
    x = 3,260.23

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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.