Home / 2,110.59-2,912.49-1,226.34

Finding the Fourth Proportional to 2,110.59, 2,912.49 and 1,226.34

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Solution

The fourth proportional to 2,110.59, 2,912.49 and 1,226.34 is: 1,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.59 : 2,912.49 = 1,226.34 : x
  2. Step 2: Convert to fraction form
    2,110.59/2,912.49 = 1,226.34/x
  3. Step 3: Cross multiply
    2,110.59x = 2,912.49 × 1,226.34
  4. Step 4: Simplify right side
    2,110.59x = 3,571,702.99
  5. Step 5: Solve for x
    x = 3,571,702.99/2,110.59
  6. Step 6: Final answer
    x = 1,692.28

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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.