Home / 3,680.82-5,514.12-2,858.58

Finding the Fourth Proportional to 3,680.82, 5,514.12 and 2,858.58

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Solution

The fourth proportional to 3,680.82, 5,514.12 and 2,858.58 is: 4,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.82 : 5,514.12 = 2,858.58 : x
  2. Step 2: Convert to fraction form
    3,680.82/5,514.12 = 2,858.58/x
  3. Step 3: Cross multiply
    3,680.82x = 5,514.12 × 2,858.58
  4. Step 4: Simplify right side
    3,680.82x = 15,762,553.15
  5. Step 5: Solve for x
    x = 15,762,553.15/3,680.82
  6. Step 6: Final answer
    x = 4,282.35

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1.5x scale

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.