Home / 2,110.94-2,912.66-1,226.30

Finding the Fourth Proportional to 2,110.94, 2,912.66 and 1,226.30

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Solution

The fourth proportional to 2,110.94, 2,912.66 and 1,226.30 is: 1,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.94 : 2,912.66 = 1,226.30 : x
  2. Step 2: Convert to fraction form
    2,110.94/2,912.66 = 1,226.30/x
  3. Step 3: Cross multiply
    2,110.94x = 2,912.66 × 1,226.30
  4. Step 4: Simplify right side
    2,110.94x = 3,571,794.96
  5. Step 5: Solve for x
    x = 3,571,794.96/2,110.94
  6. Step 6: Final answer
    x = 1,692.04

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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.