Home / 3,687.31-5,088.36-2,194.88

Finding the Fourth Proportional to 3,687.31, 5,088.36 and 2,194.88

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Solution

The fourth proportional to 3,687.31, 5,088.36 and 2,194.88 is: 3,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.31 : 5,088.36 = 2,194.88 : x
  2. Step 2: Convert to fraction form
    3,687.31/5,088.36 = 2,194.88/x
  3. Step 3: Cross multiply
    3,687.31x = 5,088.36 × 2,194.88
  4. Step 4: Simplify right side
    3,687.31x = 11,168,339.60
  5. Step 5: Solve for x
    x = 11,168,339.60/3,687.31
  6. Step 6: Final answer
    x = 3,028.86

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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.