Home / 3,843.21-5,303.16-2,664.66

Finding the Fourth Proportional to 3,843.21, 5,303.16 and 2,664.66

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Solution

The fourth proportional to 3,843.21, 5,303.16 and 2,664.66 is: 3,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.21 : 5,303.16 = 2,664.66 : x
  2. Step 2: Convert to fraction form
    3,843.21/5,303.16 = 2,664.66/x
  3. Step 3: Cross multiply
    3,843.21x = 5,303.16 × 2,664.66
  4. Step 4: Simplify right side
    3,843.21x = 14,131,118.33
  5. Step 5: Solve for x
    x = 14,131,118.33/3,843.21
  6. Step 6: Final answer
    x = 3,676.91

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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.