Home / 3,882.84-5,354.82-2,556.06

Finding the Fourth Proportional to 3,882.84, 5,354.82 and 2,556.06

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Solution

The fourth proportional to 3,882.84, 5,354.82 and 2,556.06 is: 3,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.84 : 5,354.82 = 2,556.06 : x
  2. Step 2: Convert to fraction form
    3,882.84/5,354.82 = 2,556.06/x
  3. Step 3: Cross multiply
    3,882.84x = 5,354.82 × 2,556.06
  4. Step 4: Simplify right side
    3,882.84x = 13,687,241.21
  5. Step 5: Solve for x
    x = 13,687,241.21/3,882.84
  6. Step 6: Final answer
    x = 3,525.06

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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.