Home / 3,949.48-5,449.86-2,293.16

Finding the Fourth Proportional to 3,949.48, 5,449.86 and 2,293.16

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Solution

The fourth proportional to 3,949.48, 5,449.86 and 2,293.16 is: 3,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.48 : 5,449.86 = 2,293.16 : x
  2. Step 2: Convert to fraction form
    3,949.48/5,449.86 = 2,293.16/x
  3. Step 3: Cross multiply
    3,949.48x = 5,449.86 × 2,293.16
  4. Step 4: Simplify right side
    3,949.48x = 12,497,400.96
  5. Step 5: Solve for x
    x = 12,497,400.96/3,949.48
  6. Step 6: Final answer
    x = 3,164.32

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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.