Home / 2,750.37-4,121.24-2,127.21

Finding the Fourth Proportional to 2,750.37, 4,121.24 and 2,127.21

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Solution

The fourth proportional to 2,750.37, 4,121.24 and 2,127.21 is: 3,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.37 : 4,121.24 = 2,127.21 : x
  2. Step 2: Convert to fraction form
    2,750.37/4,121.24 = 2,127.21/x
  3. Step 3: Cross multiply
    2,750.37x = 4,121.24 × 2,127.21
  4. Step 4: Simplify right side
    2,750.37x = 8,766,732.30
  5. Step 5: Solve for x
    x = 8,766,732.30/2,750.37
  6. Step 6: Final answer
    x = 3,187.47

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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.