Home / 3,893.91-5,377.14-2,499.09

Finding the Fourth Proportional to 3,893.91, 5,377.14 and 2,499.09

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Solution

The fourth proportional to 3,893.91, 5,377.14 and 2,499.09 is: 3,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.91 : 5,377.14 = 2,499.09 : x
  2. Step 2: Convert to fraction form
    3,893.91/5,377.14 = 2,499.09/x
  3. Step 3: Cross multiply
    3,893.91x = 5,377.14 × 2,499.09
  4. Step 4: Simplify right side
    3,893.91x = 13,437,956.80
  5. Step 5: Solve for x
    x = 13,437,956.80/3,893.91
  6. Step 6: Final answer
    x = 3,451.02

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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.