Home / 2,067.05-2,852.47-1,122.80

Finding the Fourth Proportional to 2,067.05, 2,852.47 and 1,122.80

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Solution

The fourth proportional to 2,067.05, 2,852.47 and 1,122.80 is: 1,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.05 : 2,852.47 = 1,122.80 : x
  2. Step 2: Convert to fraction form
    2,067.05/2,852.47 = 1,122.80/x
  3. Step 3: Cross multiply
    2,067.05x = 2,852.47 × 1,122.80
  4. Step 4: Simplify right side
    2,067.05x = 3,202,753.32
  5. Step 5: Solve for x
    x = 3,202,753.32/2,067.05
  6. Step 6: Final answer
    x = 1,549.43

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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.