Home / 2,110.20-2,912.07-1,226.52

Finding the Fourth Proportional to 2,110.20, 2,912.07 and 1,226.52

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Solution

The fourth proportional to 2,110.20, 2,912.07 and 1,226.52 is: 1,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.20 : 2,912.07 = 1,226.52 : x
  2. Step 2: Convert to fraction form
    2,110.20/2,912.07 = 1,226.52/x
  3. Step 3: Cross multiply
    2,110.20x = 2,912.07 × 1,226.52
  4. Step 4: Simplify right side
    2,110.20x = 3,571,712.10
  5. Step 5: Solve for x
    x = 3,571,712.10/2,110.20
  6. Step 6: Final answer
    x = 1,692.59

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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.