Home / 3,872.48-5,343.98-2,104.10

Finding the Fourth Proportional to 3,872.48, 5,343.98 and 2,104.10

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Solution

The fourth proportional to 3,872.48, 5,343.98 and 2,104.10 is: 2,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.48 : 5,343.98 = 2,104.10 : x
  2. Step 2: Convert to fraction form
    3,872.48/5,343.98 = 2,104.10/x
  3. Step 3: Cross multiply
    3,872.48x = 5,343.98 × 2,104.10
  4. Step 4: Simplify right side
    3,872.48x = 11,244,231.08
  5. Step 5: Solve for x
    x = 11,244,231.08/3,872.48
  6. Step 6: Final answer
    x = 2,903.63

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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.