Home / 3,400.68-4,692.97-2,221.75

Finding the Fourth Proportional to 3,400.68, 4,692.97 and 2,221.75

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Solution

The fourth proportional to 3,400.68, 4,692.97 and 2,221.75 is: 3,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.68 : 4,692.97 = 2,221.75 : x
  2. Step 2: Convert to fraction form
    3,400.68/4,692.97 = 2,221.75/x
  3. Step 3: Cross multiply
    3,400.68x = 4,692.97 × 2,221.75
  4. Step 4: Simplify right side
    3,400.68x = 10,426,606.10
  5. Step 5: Solve for x
    x = 10,426,606.10/3,400.68
  6. Step 6: Final answer
    x = 3,066.04

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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.