Home / 3,809.90-5,716.17-2,722.75

Finding the Fourth Proportional to 3,809.90, 5,716.17 and 2,722.75

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Solution

The fourth proportional to 3,809.90, 5,716.17 and 2,722.75 is: 4,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.90 : 5,716.17 = 2,722.75 : x
  2. Step 2: Convert to fraction form
    3,809.90/5,716.17 = 2,722.75/x
  3. Step 3: Cross multiply
    3,809.90x = 5,716.17 × 2,722.75
  4. Step 4: Simplify right side
    3,809.90x = 15,563,687.58
  5. Step 5: Solve for x
    x = 15,563,687.58/3,809.90
  6. Step 6: Final answer
    x = 4,085.06

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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.