Home / 2,236.26-3,085.97-1,292.01

Finding the Fourth Proportional to 2,236.26, 3,085.97 and 1,292.01

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Solution

The fourth proportional to 2,236.26, 3,085.97 and 1,292.01 is: 1,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.26 : 3,085.97 = 1,292.01 : x
  2. Step 2: Convert to fraction form
    2,236.26/3,085.97 = 1,292.01/x
  3. Step 3: Cross multiply
    2,236.26x = 3,085.97 × 1,292.01
  4. Step 4: Simplify right side
    2,236.26x = 3,987,097.64
  5. Step 5: Solve for x
    x = 3,987,097.64/2,236.26
  6. Step 6: Final answer
    x = 1,782.93

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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.