Home / 3,399.72-4,692.78-2,612.76

Finding the Fourth Proportional to 3,399.72, 4,692.78 and 2,612.76

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Solution

The fourth proportional to 3,399.72, 4,692.78 and 2,612.76 is: 3,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.72 : 4,692.78 = 2,612.76 : x
  2. Step 2: Convert to fraction form
    3,399.72/4,692.78 = 2,612.76/x
  3. Step 3: Cross multiply
    3,399.72x = 4,692.78 × 2,612.76
  4. Step 4: Simplify right side
    3,399.72x = 12,261,107.87
  5. Step 5: Solve for x
    x = 12,261,107.87/3,399.72
  6. Step 6: Final answer
    x = 3,606.51

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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.