Home / 3,333.13-4,990.44-2,164.48

Finding the Fourth Proportional to 3,333.13, 4,990.44 and 2,164.48

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Solution

The fourth proportional to 3,333.13, 4,990.44 and 2,164.48 is: 3,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.13 : 4,990.44 = 2,164.48 : x
  2. Step 2: Convert to fraction form
    3,333.13/4,990.44 = 2,164.48/x
  3. Step 3: Cross multiply
    3,333.13x = 4,990.44 × 2,164.48
  4. Step 4: Simplify right side
    3,333.13x = 10,801,707.57
  5. Step 5: Solve for x
    x = 10,801,707.57/3,333.13
  6. Step 6: Final answer
    x = 3,240.71

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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.