Home / 2,067.20-2,852.24-1,227.90

Finding the Fourth Proportional to 2,067.20, 2,852.24 and 1,227.90

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Solution

The fourth proportional to 2,067.20, 2,852.24 and 1,227.90 is: 1,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.20 : 2,852.24 = 1,227.90 : x
  2. Step 2: Convert to fraction form
    2,067.20/2,852.24 = 1,227.90/x
  3. Step 3: Cross multiply
    2,067.20x = 2,852.24 × 1,227.90
  4. Step 4: Simplify right side
    2,067.20x = 3,502,259.36
  5. Step 5: Solve for x
    x = 3,502,259.36/2,067.20
  6. Step 6: Final answer
    x = 1,694.21

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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.