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Finding the Fourth Proportional to 1,795.87, 2,692.49 and 1,209.43

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Solution

The fourth proportional to 1,795.87, 2,692.49 and 1,209.43 is: 1,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.87 : 2,692.49 = 1,209.43 : x
  2. Step 2: Convert to fraction form
    1,795.87/2,692.49 = 1,209.43/x
  3. Step 3: Cross multiply
    1,795.87x = 2,692.49 × 1,209.43
  4. Step 4: Simplify right side
    1,795.87x = 3,256,382.30
  5. Step 5: Solve for x
    x = 3,256,382.30/1,795.87
  6. Step 6: Final answer
    x = 1,813.26

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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.