Home / 3,873.42-5,344.65-2,194.65

Finding the Fourth Proportional to 3,873.42, 5,344.65 and 2,194.65

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Solution

The fourth proportional to 3,873.42, 5,344.65 and 2,194.65 is: 3,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.42 : 5,344.65 = 2,194.65 : x
  2. Step 2: Convert to fraction form
    3,873.42/5,344.65 = 2,194.65/x
  3. Step 3: Cross multiply
    3,873.42x = 5,344.65 × 2,194.65
  4. Step 4: Simplify right side
    3,873.42x = 11,729,636.12
  5. Step 5: Solve for x
    x = 11,729,636.12/3,873.42
  6. Step 6: Final answer
    x = 3,028.24

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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.