Home / 2,226.35-3,338.82-745.27

Finding the Fourth Proportional to 2,226.35, 3,338.82 and 745.27

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Solution

The fourth proportional to 2,226.35, 3,338.82 and 745.27 is: 1,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.35 : 3,338.82 = 745.27 : x
  2. Step 2: Convert to fraction form
    2,226.35/3,338.82 = 745.27/x
  3. Step 3: Cross multiply
    2,226.35x = 3,338.82 × 745.27
  4. Step 4: Simplify right side
    2,226.35x = 2,488,314.03
  5. Step 5: Solve for x
    x = 2,488,314.03/2,226.35
  6. Step 6: Final answer
    x = 1,117.66

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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.