Home / 3,788.27-5,678.45-2,226.99

Finding the Fourth Proportional to 3,788.27, 5,678.45 and 2,226.99

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Solution

The fourth proportional to 3,788.27, 5,678.45 and 2,226.99 is: 3,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.27 : 5,678.45 = 2,226.99 : x
  2. Step 2: Convert to fraction form
    3,788.27/5,678.45 = 2,226.99/x
  3. Step 3: Cross multiply
    3,788.27x = 5,678.45 × 2,226.99
  4. Step 4: Simplify right side
    3,788.27x = 12,645,848.58
  5. Step 5: Solve for x
    x = 12,645,848.58/3,788.27
  6. Step 6: Final answer
    x = 3,338.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.