Home / 1,813.94-2,717.76-1,426.44

Finding the Fourth Proportional to 1,813.94, 2,717.76 and 1,426.44

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Solution

The fourth proportional to 1,813.94, 2,717.76 and 1,426.44 is: 2,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.94 : 2,717.76 = 1,426.44 : x
  2. Step 2: Convert to fraction form
    1,813.94/2,717.76 = 1,426.44/x
  3. Step 3: Cross multiply
    1,813.94x = 2,717.76 × 1,426.44
  4. Step 4: Simplify right side
    1,813.94x = 3,876,721.57
  5. Step 5: Solve for x
    x = 3,876,721.57/1,813.94
  6. Step 6: Final answer
    x = 2,137.18

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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.