Home / 3,400.11-4,692.62-1,908.11

Finding the Fourth Proportional to 3,400.11, 4,692.62 and 1,908.11

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Solution

The fourth proportional to 3,400.11, 4,692.62 and 1,908.11 is: 2,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.11 : 4,692.62 = 1,908.11 : x
  2. Step 2: Convert to fraction form
    3,400.11/4,692.62 = 1,908.11/x
  3. Step 3: Cross multiply
    3,400.11x = 4,692.62 × 1,908.11
  4. Step 4: Simplify right side
    3,400.11x = 8,954,049.72
  5. Step 5: Solve for x
    x = 8,954,049.72/3,400.11
  6. Step 6: Final answer
    x = 2,633.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.