Home / 2,067.09-2,852.62-1,122.90

Finding the Fourth Proportional to 2,067.09, 2,852.62 and 1,122.90

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Solution

The fourth proportional to 2,067.09, 2,852.62 and 1,122.90 is: 1,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.09 : 2,852.62 = 1,122.90 : x
  2. Step 2: Convert to fraction form
    2,067.09/2,852.62 = 1,122.90/x
  3. Step 3: Cross multiply
    2,067.09x = 2,852.62 × 1,122.90
  4. Step 4: Simplify right side
    2,067.09x = 3,203,211.12
  5. Step 5: Solve for x
    x = 3,203,211.12/2,067.09
  6. Step 6: Final answer
    x = 1,549.62

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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.