Home / 2,067.69-2,853.57-1,281.99

Finding the Fourth Proportional to 2,067.69, 2,853.57 and 1,281.99

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Solution

The fourth proportional to 2,067.69, 2,853.57 and 1,281.99 is: 1,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.69 : 2,853.57 = 1,281.99 : x
  2. Step 2: Convert to fraction form
    2,067.69/2,853.57 = 1,281.99/x
  3. Step 3: Cross multiply
    2,067.69x = 2,853.57 × 1,281.99
  4. Step 4: Simplify right side
    2,067.69x = 3,658,248.20
  5. Step 5: Solve for x
    x = 3,658,248.20/2,067.69
  6. Step 6: Final answer
    x = 1,769.24

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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.