Home / 1,959.68-2,704.38-1,120.37

Finding the Fourth Proportional to 1,959.68, 2,704.38 and 1,120.37

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Solution

The fourth proportional to 1,959.68, 2,704.38 and 1,120.37 is: 1,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.68 : 2,704.38 = 1,120.37 : x
  2. Step 2: Convert to fraction form
    1,959.68/2,704.38 = 1,120.37/x
  3. Step 3: Cross multiply
    1,959.68x = 2,704.38 × 1,120.37
  4. Step 4: Simplify right side
    1,959.68x = 3,029,906.22
  5. Step 5: Solve for x
    x = 3,029,906.22/1,959.68
  6. Step 6: Final answer
    x = 1,546.12

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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.