Home / 3,687.04-5,087.15-2,194.30

Finding the Fourth Proportional to 3,687.04, 5,087.15 and 2,194.30

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Solution

The fourth proportional to 3,687.04, 5,087.15 and 2,194.30 is: 3,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.04 : 5,087.15 = 2,194.30 : x
  2. Step 2: Convert to fraction form
    3,687.04/5,087.15 = 2,194.30/x
  3. Step 3: Cross multiply
    3,687.04x = 5,087.15 × 2,194.30
  4. Step 4: Simplify right side
    3,687.04x = 11,162,707.81
  5. Step 5: Solve for x
    x = 11,162,707.81/3,687.04
  6. Step 6: Final answer
    x = 3,027.56

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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.