Home / 3,686.58-5,087.14-2,194.26

Finding the Fourth Proportional to 3,686.58, 5,087.14 and 2,194.26

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Solution

The fourth proportional to 3,686.58, 5,087.14 and 2,194.26 is: 3,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.58 : 5,087.14 = 2,194.26 : x
  2. Step 2: Convert to fraction form
    3,686.58/5,087.14 = 2,194.26/x
  3. Step 3: Cross multiply
    3,686.58x = 5,087.14 × 2,194.26
  4. Step 4: Simplify right side
    3,686.58x = 11,162,471.41
  5. Step 5: Solve for x
    x = 11,162,471.41/3,686.58
  6. Step 6: Final answer
    x = 3,027.87

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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.