Home / 1,959.43-2,704.28-1,120.30

Finding the Fourth Proportional to 1,959.43, 2,704.28 and 1,120.30

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Solution

The fourth proportional to 1,959.43, 2,704.28 and 1,120.30 is: 1,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.43 : 2,704.28 = 1,120.30 : x
  2. Step 2: Convert to fraction form
    1,959.43/2,704.28 = 1,120.30/x
  3. Step 3: Cross multiply
    1,959.43x = 2,704.28 × 1,120.30
  4. Step 4: Simplify right side
    1,959.43x = 3,029,604.88
  5. Step 5: Solve for x
    x = 3,029,604.88/1,959.43
  6. Step 6: Final answer
    x = 1,546.17

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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.