Home / 3,808.16-5,251.89-2,548.21

Finding the Fourth Proportional to 3,808.16, 5,251.89 and 2,548.21

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Solution

The fourth proportional to 3,808.16, 5,251.89 and 2,548.21 is: 3,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.16 : 5,251.89 = 2,548.21 : x
  2. Step 2: Convert to fraction form
    3,808.16/5,251.89 = 2,548.21/x
  3. Step 3: Cross multiply
    3,808.16x = 5,251.89 × 2,548.21
  4. Step 4: Simplify right side
    3,808.16x = 13,382,910.56
  5. Step 5: Solve for x
    x = 13,382,910.56/3,808.16
  6. Step 6: Final answer
    x = 3,514.27

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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.