Home / 2,226.54-3,336.28-1,129.38

Finding the Fourth Proportional to 2,226.54, 3,336.28 and 1,129.38

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Solution

The fourth proportional to 2,226.54, 3,336.28 and 1,129.38 is: 1,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.54 : 3,336.28 = 1,129.38 : x
  2. Step 2: Convert to fraction form
    2,226.54/3,336.28 = 1,129.38/x
  3. Step 3: Cross multiply
    2,226.54x = 3,336.28 × 1,129.38
  4. Step 4: Simplify right side
    2,226.54x = 3,767,927.91
  5. Step 5: Solve for x
    x = 3,767,927.91/2,226.54
  6. Step 6: Final answer
    x = 1,692.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.