Home / 3,469.05-4,786.73-1,976.99

Finding the Fourth Proportional to 3,469.05, 4,786.73 and 1,976.99

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Solution

The fourth proportional to 3,469.05, 4,786.73 and 1,976.99 is: 2,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.05 : 4,786.73 = 1,976.99 : x
  2. Step 2: Convert to fraction form
    3,469.05/4,786.73 = 1,976.99/x
  3. Step 3: Cross multiply
    3,469.05x = 4,786.73 × 1,976.99
  4. Step 4: Simplify right side
    3,469.05x = 9,463,317.34
  5. Step 5: Solve for x
    x = 9,463,317.34/3,469.05
  6. Step 6: Final answer
    x = 2,727.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.