Home / 2,067.12-2,852.11-1,227.47

Finding the Fourth Proportional to 2,067.12, 2,852.11 and 1,227.47

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Solution

The fourth proportional to 2,067.12, 2,852.11 and 1,227.47 is: 1,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.12 : 2,852.11 = 1,227.47 : x
  2. Step 2: Convert to fraction form
    2,067.12/2,852.11 = 1,227.47/x
  3. Step 3: Cross multiply
    2,067.12x = 2,852.11 × 1,227.47
  4. Step 4: Simplify right side
    2,067.12x = 3,500,882.78
  5. Step 5: Solve for x
    x = 3,500,882.78/2,067.12
  6. Step 6: Final answer
    x = 1,693.60

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1.5x scale

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.