Home / 3,400.30-4,692.18-1,908.46

Finding the Fourth Proportional to 3,400.30, 4,692.18 and 1,908.46

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Solution

The fourth proportional to 3,400.30, 4,692.18 and 1,908.46 is: 2,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.30 : 4,692.18 = 1,908.46 : x
  2. Step 2: Convert to fraction form
    3,400.30/4,692.18 = 1,908.46/x
  3. Step 3: Cross multiply
    3,400.30x = 4,692.18 × 1,908.46
  4. Step 4: Simplify right side
    3,400.30x = 8,954,837.84
  5. Step 5: Solve for x
    x = 8,954,837.84/3,400.30
  6. Step 6: Final answer
    x = 2,633.54

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1.5x scale

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.