Home / 2,226.59-3,338.65-911.27

Finding the Fourth Proportional to 2,226.59, 3,338.65 and 911.27

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Solution

The fourth proportional to 2,226.59, 3,338.65 and 911.27 is: 1,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.59 : 3,338.65 = 911.27 : x
  2. Step 2: Convert to fraction form
    2,226.59/3,338.65 = 911.27/x
  3. Step 3: Cross multiply
    2,226.59x = 3,338.65 × 911.27
  4. Step 4: Simplify right side
    2,226.59x = 3,042,394.89
  5. Step 5: Solve for x
    x = 3,042,394.89/2,226.59
  6. Step 6: Final answer
    x = 1,366.39

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1.5x scale

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.