Home / 3,828.70-5,741.84-1,231.03

Finding the Fourth Proportional to 3,828.70, 5,741.84 and 1,231.03

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Solution

The fourth proportional to 3,828.70, 5,741.84 and 1,231.03 is: 1,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.70 : 5,741.84 = 1,231.03 : x
  2. Step 2: Convert to fraction form
    3,828.70/5,741.84 = 1,231.03/x
  3. Step 3: Cross multiply
    3,828.70x = 5,741.84 × 1,231.03
  4. Step 4: Simplify right side
    3,828.70x = 7,068,380.63
  5. Step 5: Solve for x
    x = 7,068,380.63/3,828.70
  6. Step 6: Final answer
    x = 1,846.16

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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.