Home / 1,757.58-2,634.27-819.26

Finding the Fourth Proportional to 1,757.58, 2,634.27 and 819.26

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Solution

The fourth proportional to 1,757.58, 2,634.27 and 819.26 is: 1,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.58 : 2,634.27 = 819.26 : x
  2. Step 2: Convert to fraction form
    1,757.58/2,634.27 = 819.26/x
  3. Step 3: Cross multiply
    1,757.58x = 2,634.27 × 819.26
  4. Step 4: Simplify right side
    1,757.58x = 2,158,152.04
  5. Step 5: Solve for x
    x = 2,158,152.04/1,757.58
  6. Step 6: Final answer
    x = 1,227.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.