Home / 3,449.44-4,763.04-2,272.80

Finding the Fourth Proportional to 3,449.44, 4,763.04 and 2,272.80

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Solution

The fourth proportional to 3,449.44, 4,763.04 and 2,272.80 is: 3,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.44 : 4,763.04 = 2,272.80 : x
  2. Step 2: Convert to fraction form
    3,449.44/4,763.04 = 2,272.80/x
  3. Step 3: Cross multiply
    3,449.44x = 4,763.04 × 2,272.80
  4. Step 4: Simplify right side
    3,449.44x = 10,825,437.31
  5. Step 5: Solve for x
    x = 10,825,437.31/3,449.44
  6. Step 6: Final answer
    x = 3,138.32

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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.