Home / 3,858.63-5,324.72-2,179.91

Finding the Fourth Proportional to 3,858.63, 5,324.72 and 2,179.91

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Solution

The fourth proportional to 3,858.63, 5,324.72 and 2,179.91 is: 3,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.63 : 5,324.72 = 2,179.91 : x
  2. Step 2: Convert to fraction form
    3,858.63/5,324.72 = 2,179.91/x
  3. Step 3: Cross multiply
    3,858.63x = 5,324.72 × 2,179.91
  4. Step 4: Simplify right side
    3,858.63x = 11,607,372.85
  5. Step 5: Solve for x
    x = 11,607,372.85/3,858.63
  6. Step 6: Final answer
    x = 3,008.16

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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.