Home / 2,619.92-3,922.07-1,692.77

Finding the Fourth Proportional to 2,619.92, 3,922.07 and 1,692.77

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Solution

The fourth proportional to 2,619.92, 3,922.07 and 1,692.77 is: 2,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.92 : 3,922.07 = 1,692.77 : x
  2. Step 2: Convert to fraction form
    2,619.92/3,922.07 = 1,692.77/x
  3. Step 3: Cross multiply
    2,619.92x = 3,922.07 × 1,692.77
  4. Step 4: Simplify right side
    2,619.92x = 6,639,142.82
  5. Step 5: Solve for x
    x = 6,639,142.82/2,619.92
  6. Step 6: Final answer
    x = 2,534.11

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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.