Home / 3,962.36-5,939.19-2,111.63

Finding the Fourth Proportional to 3,962.36, 5,939.19 and 2,111.63

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Solution

The fourth proportional to 3,962.36, 5,939.19 and 2,111.63 is: 3,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.36 : 5,939.19 = 2,111.63 : x
  2. Step 2: Convert to fraction form
    3,962.36/5,939.19 = 2,111.63/x
  3. Step 3: Cross multiply
    3,962.36x = 5,939.19 × 2,111.63
  4. Step 4: Simplify right side
    3,962.36x = 12,541,342.08
  5. Step 5: Solve for x
    x = 12,541,342.08/3,962.36
  6. Step 6: Final answer
    x = 3,165.12

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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.