Home / 3,904.50-5,390.79-2,414.61

Finding the Fourth Proportional to 3,904.50, 5,390.79 and 2,414.61

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Solution

The fourth proportional to 3,904.50, 5,390.79 and 2,414.61 is: 3,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.50 : 5,390.79 = 2,414.61 : x
  2. Step 2: Convert to fraction form
    3,904.50/5,390.79 = 2,414.61/x
  3. Step 3: Cross multiply
    3,904.50x = 5,390.79 × 2,414.61
  4. Step 4: Simplify right side
    3,904.50x = 13,016,655.44
  5. Step 5: Solve for x
    x = 13,016,655.44/3,904.50
  6. Step 6: Final answer
    x = 3,333.76

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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.