Home / 2,236.58-3,085.94-1,292.07

Finding the Fourth Proportional to 2,236.58, 3,085.94 and 1,292.07

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Solution

The fourth proportional to 2,236.58, 3,085.94 and 1,292.07 is: 1,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.58 : 3,085.94 = 1,292.07 : x
  2. Step 2: Convert to fraction form
    2,236.58/3,085.94 = 1,292.07/x
  3. Step 3: Cross multiply
    2,236.58x = 3,085.94 × 1,292.07
  4. Step 4: Simplify right side
    2,236.58x = 3,987,253.73
  5. Step 5: Solve for x
    x = 3,987,253.73/2,236.58
  6. Step 6: Final answer
    x = 1,782.75

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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.