Home / 1,983.57-2,734.17-1,563.24

Finding the Fourth Proportional to 1,983.57, 2,734.17 and 1,563.24

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Solution

The fourth proportional to 1,983.57, 2,734.17 and 1,563.24 is: 2,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.57 : 2,734.17 = 1,563.24 : x
  2. Step 2: Convert to fraction form
    1,983.57/2,734.17 = 1,563.24/x
  3. Step 3: Cross multiply
    1,983.57x = 2,734.17 × 1,563.24
  4. Step 4: Simplify right side
    1,983.57x = 4,274,163.91
  5. Step 5: Solve for x
    x = 4,274,163.91/1,983.57
  6. Step 6: Final answer
    x = 2,154.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.