Home / 2,849.76-3,932.88-2,759.04

Finding the Fourth Proportional to 2,849.76, 3,932.88 and 2,759.04

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Solution

The fourth proportional to 2,849.76, 3,932.88 and 2,759.04 is: 3,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.76 : 3,932.88 = 2,759.04 : x
  2. Step 2: Convert to fraction form
    2,849.76/3,932.88 = 2,759.04/x
  3. Step 3: Cross multiply
    2,849.76x = 3,932.88 × 2,759.04
  4. Step 4: Simplify right side
    2,849.76x = 10,850,973.24
  5. Step 5: Solve for x
    x = 10,850,973.24/2,849.76
  6. Step 6: Final answer
    x = 3,807.68

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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.