Home / 3,400.48-4,692.79-1,908.04

Finding the Fourth Proportional to 3,400.48, 4,692.79 and 1,908.04

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Solution

The fourth proportional to 3,400.48, 4,692.79 and 1,908.04 is: 2,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.48 : 4,692.79 = 1,908.04 : x
  2. Step 2: Convert to fraction form
    3,400.48/4,692.79 = 1,908.04/x
  3. Step 3: Cross multiply
    3,400.48x = 4,692.79 × 1,908.04
  4. Step 4: Simplify right side
    3,400.48x = 8,954,039.55
  5. Step 5: Solve for x
    x = 8,954,039.55/3,400.48
  6. Step 6: Final answer
    x = 2,633.17

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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.