Home / 3,904.60-5,387.71-2,226.04

Finding the Fourth Proportional to 3,904.60, 5,387.71 and 2,226.04

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Solution

The fourth proportional to 3,904.60, 5,387.71 and 2,226.04 is: 3,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.60 : 5,387.71 = 2,226.04 : x
  2. Step 2: Convert to fraction form
    3,904.60/5,387.71 = 2,226.04/x
  3. Step 3: Cross multiply
    3,904.60x = 5,387.71 × 2,226.04
  4. Step 4: Simplify right side
    3,904.60x = 11,993,257.97
  5. Step 5: Solve for x
    x = 11,993,257.97/3,904.60
  6. Step 6: Final answer
    x = 3,071.57

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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.