Home / 2,286.16-3,147.69-1,949.47

Finding the Fourth Proportional to 2,286.16, 3,147.69 and 1,949.47

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Solution

The fourth proportional to 2,286.16, 3,147.69 and 1,949.47 is: 2,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.16 : 3,147.69 = 1,949.47 : x
  2. Step 2: Convert to fraction form
    2,286.16/3,147.69 = 1,949.47/x
  3. Step 3: Cross multiply
    2,286.16x = 3,147.69 × 1,949.47
  4. Step 4: Simplify right side
    2,286.16x = 6,136,327.22
  5. Step 5: Solve for x
    x = 6,136,327.22/2,286.16
  6. Step 6: Final answer
    x = 2,684.12

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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.