Home / 3,686.54-5,085.31-2,194.97

Finding the Fourth Proportional to 3,686.54, 5,085.31 and 2,194.97

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Solution

The fourth proportional to 3,686.54, 5,085.31 and 2,194.97 is: 3,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.54 : 5,085.31 = 2,194.97 : x
  2. Step 2: Convert to fraction form
    3,686.54/5,085.31 = 2,194.97/x
  3. Step 3: Cross multiply
    3,686.54x = 5,085.31 × 2,194.97
  4. Step 4: Simplify right side
    3,686.54x = 11,162,112.83
  5. Step 5: Solve for x
    x = 11,162,112.83/3,686.54
  6. Step 6: Final answer
    x = 3,027.80

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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.