Home / 1,949.34-2,690.24-1,163.37

Finding the Fourth Proportional to 1,949.34, 2,690.24 and 1,163.37

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Solution

The fourth proportional to 1,949.34, 2,690.24 and 1,163.37 is: 1,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.34 : 2,690.24 = 1,163.37 : x
  2. Step 2: Convert to fraction form
    1,949.34/2,690.24 = 1,163.37/x
  3. Step 3: Cross multiply
    1,949.34x = 2,690.24 × 1,163.37
  4. Step 4: Simplify right side
    1,949.34x = 3,129,738.69
  5. Step 5: Solve for x
    x = 3,129,738.69/1,949.34
  6. Step 6: Final answer
    x = 1,605.54

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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.