Home / 2,092.97-3,135.74-1,269.36

Finding the Fourth Proportional to 2,092.97, 3,135.74 and 1,269.36

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Solution

The fourth proportional to 2,092.97, 3,135.74 and 1,269.36 is: 1,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.97 : 3,135.74 = 1,269.36 : x
  2. Step 2: Convert to fraction form
    2,092.97/3,135.74 = 1,269.36/x
  3. Step 3: Cross multiply
    2,092.97x = 3,135.74 × 1,269.36
  4. Step 4: Simplify right side
    2,092.97x = 3,980,376.58
  5. Step 5: Solve for x
    x = 3,980,376.58/2,092.97
  6. Step 6: Final answer
    x = 1,901.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.