Home / 3,305.09-4,960.03-2,663.57

Finding the Fourth Proportional to 3,305.09, 4,960.03 and 2,663.57

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Solution

The fourth proportional to 3,305.09, 4,960.03 and 2,663.57 is: 3,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.09 : 4,960.03 = 2,663.57 : x
  2. Step 2: Convert to fraction form
    3,305.09/4,960.03 = 2,663.57/x
  3. Step 3: Cross multiply
    3,305.09x = 4,960.03 × 2,663.57
  4. Step 4: Simplify right side
    3,305.09x = 13,211,355.65
  5. Step 5: Solve for x
    x = 13,211,355.65/3,305.09
  6. Step 6: Final answer
    x = 3,997.28

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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.