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Finding the Fourth Proportional to 1,795.08, 2,692.86 and 699.78

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Solution

The fourth proportional to 1,795.08, 2,692.86 and 699.78 is: 1,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.08 : 2,692.86 = 699.78 : x
  2. Step 2: Convert to fraction form
    1,795.08/2,692.86 = 699.78/x
  3. Step 3: Cross multiply
    1,795.08x = 2,692.86 × 699.78
  4. Step 4: Simplify right side
    1,795.08x = 1,884,409.57
  5. Step 5: Solve for x
    x = 1,884,409.57/1,795.08
  6. Step 6: Final answer
    x = 1,049.76

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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.