Home / 3,086.97-4,629.30-1,915.23

Finding the Fourth Proportional to 3,086.97, 4,629.30 and 1,915.23

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Solution

The fourth proportional to 3,086.97, 4,629.30 and 1,915.23 is: 2,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.97 : 4,629.30 = 1,915.23 : x
  2. Step 2: Convert to fraction form
    3,086.97/4,629.30 = 1,915.23/x
  3. Step 3: Cross multiply
    3,086.97x = 4,629.30 × 1,915.23
  4. Step 4: Simplify right side
    3,086.97x = 8,866,174.24
  5. Step 5: Solve for x
    x = 8,866,174.24/3,086.97
  6. Step 6: Final answer
    x = 2,872.13

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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.