Home / 1,949.44-2,689.44-1,163.04

Finding the Fourth Proportional to 1,949.44, 2,689.44 and 1,163.04

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Solution

The fourth proportional to 1,949.44, 2,689.44 and 1,163.04 is: 1,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.44 : 2,689.44 = 1,163.04 : x
  2. Step 2: Convert to fraction form
    1,949.44/2,689.44 = 1,163.04/x
  3. Step 3: Cross multiply
    1,949.44x = 2,689.44 × 1,163.04
  4. Step 4: Simplify right side
    1,949.44x = 3,127,926.30
  5. Step 5: Solve for x
    x = 3,127,926.30/1,949.44
  6. Step 6: Final answer
    x = 1,604.53

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1.5x scale

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.