Home / 2,109.92-3,163.37-1,517.28

Finding the Fourth Proportional to 2,109.92, 3,163.37 and 1,517.28

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Solution

The fourth proportional to 2,109.92, 3,163.37 and 1,517.28 is: 2,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.92 : 3,163.37 = 1,517.28 : x
  2. Step 2: Convert to fraction form
    2,109.92/3,163.37 = 1,517.28/x
  3. Step 3: Cross multiply
    2,109.92x = 3,163.37 × 1,517.28
  4. Step 4: Simplify right side
    2,109.92x = 4,799,710.45
  5. Step 5: Solve for x
    x = 4,799,710.45/2,109.92
  6. Step 6: Final answer
    x = 2,274.84

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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.