Home / 3,686.84-5,087.66-2,194.92

Finding the Fourth Proportional to 3,686.84, 5,087.66 and 2,194.92

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Solution

The fourth proportional to 3,686.84, 5,087.66 and 2,194.92 is: 3,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.84 : 5,087.66 = 2,194.92 : x
  2. Step 2: Convert to fraction form
    3,686.84/5,087.66 = 2,194.92/x
  3. Step 3: Cross multiply
    3,686.84x = 5,087.66 × 2,194.92
  4. Step 4: Simplify right side
    3,686.84x = 11,166,981.25
  5. Step 5: Solve for x
    x = 11,166,981.25/3,686.84
  6. Step 6: Final answer
    x = 3,028.88

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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.