Home / 1,908.27-2,862.64-675.43

Finding the Fourth Proportional to 1,908.27, 2,862.64 and 675.43

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Solution

The fourth proportional to 1,908.27, 2,862.64 and 675.43 is: 1,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.27 : 2,862.64 = 675.43 : x
  2. Step 2: Convert to fraction form
    1,908.27/2,862.64 = 675.43/x
  3. Step 3: Cross multiply
    1,908.27x = 2,862.64 × 675.43
  4. Step 4: Simplify right side
    1,908.27x = 1,933,512.94
  5. Step 5: Solve for x
    x = 1,933,512.94/1,908.27
  6. Step 6: Final answer
    x = 1,013.23

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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.