Home / 3,882.32-5,819.37-2,646.66

Finding the Fourth Proportional to 3,882.32, 5,819.37 and 2,646.66

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Solution

The fourth proportional to 3,882.32, 5,819.37 and 2,646.66 is: 3,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.32 : 5,819.37 = 2,646.66 : x
  2. Step 2: Convert to fraction form
    3,882.32/5,819.37 = 2,646.66/x
  3. Step 3: Cross multiply
    3,882.32x = 5,819.37 × 2,646.66
  4. Step 4: Simplify right side
    3,882.32x = 15,401,893.80
  5. Step 5: Solve for x
    x = 15,401,893.80/3,882.32
  6. Step 6: Final answer
    x = 3,967.19

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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.