Home / 2,236.38-3,085.75-1,292.16

Finding the Fourth Proportional to 2,236.38, 3,085.75 and 1,292.16

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Solution

The fourth proportional to 2,236.38, 3,085.75 and 1,292.16 is: 1,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.38 : 3,085.75 = 1,292.16 : x
  2. Step 2: Convert to fraction form
    2,236.38/3,085.75 = 1,292.16/x
  3. Step 3: Cross multiply
    2,236.38x = 3,085.75 × 1,292.16
  4. Step 4: Simplify right side
    2,236.38x = 3,987,282.72
  5. Step 5: Solve for x
    x = 3,987,282.72/2,236.38
  6. Step 6: Final answer
    x = 1,782.92

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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.