Home / 3,260.46-4,890.68-2,290.89

Finding the Fourth Proportional to 3,260.46, 4,890.68 and 2,290.89

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Solution

The fourth proportional to 3,260.46, 4,890.68 and 2,290.89 is: 3,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.46 : 4,890.68 = 2,290.89 : x
  2. Step 2: Convert to fraction form
    3,260.46/4,890.68 = 2,290.89/x
  3. Step 3: Cross multiply
    3,260.46x = 4,890.68 × 2,290.89
  4. Step 4: Simplify right side
    3,260.46x = 11,203,997.87
  5. Step 5: Solve for x
    x = 11,203,997.87/3,260.46
  6. Step 6: Final answer
    x = 3,436.33

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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.