Home / 2,001.25-2,760.50-1,329.09

Finding the Fourth Proportional to 2,001.25, 2,760.50 and 1,329.09

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Solution

The fourth proportional to 2,001.25, 2,760.50 and 1,329.09 is: 1,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.25 : 2,760.50 = 1,329.09 : x
  2. Step 2: Convert to fraction form
    2,001.25/2,760.50 = 1,329.09/x
  3. Step 3: Cross multiply
    2,001.25x = 2,760.50 × 1,329.09
  4. Step 4: Simplify right side
    2,001.25x = 3,668,952.95
  5. Step 5: Solve for x
    x = 3,668,952.95/2,001.25
  6. Step 6: Final answer
    x = 1,833.33

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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.