Home / 3,816.09-5,265.77-2,223.09

Finding the Fourth Proportional to 3,816.09, 5,265.77 and 2,223.09

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Solution

The fourth proportional to 3,816.09, 5,265.77 and 2,223.09 is: 3,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.09 : 5,265.77 = 2,223.09 : x
  2. Step 2: Convert to fraction form
    3,816.09/5,265.77 = 2,223.09/x
  3. Step 3: Cross multiply
    3,816.09x = 5,265.77 × 2,223.09
  4. Step 4: Simplify right side
    3,816.09x = 11,706,269.51
  5. Step 5: Solve for x
    x = 11,706,269.51/3,816.09
  6. Step 6: Final answer
    x = 3,067.61

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1.5x scale

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.