Home / 2,248.05-3,369.80-1,272.11

Finding the Fourth Proportional to 2,248.05, 3,369.80 and 1,272.11

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Solution

The fourth proportional to 2,248.05, 3,369.80 and 1,272.11 is: 1,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.05 : 3,369.80 = 1,272.11 : x
  2. Step 2: Convert to fraction form
    2,248.05/3,369.80 = 1,272.11/x
  3. Step 3: Cross multiply
    2,248.05x = 3,369.80 × 1,272.11
  4. Step 4: Simplify right side
    2,248.05x = 4,286,742.61
  5. Step 5: Solve for x
    x = 4,286,742.61/2,248.05
  6. Step 6: Final answer
    x = 1,906.87

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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.