Home / 3,828.52-5,740.98-1,231.48

Finding the Fourth Proportional to 3,828.52, 5,740.98 and 1,231.48

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Solution

The fourth proportional to 3,828.52, 5,740.98 and 1,231.48 is: 1,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.52 : 5,740.98 = 1,231.48 : x
  2. Step 2: Convert to fraction form
    3,828.52/5,740.98 = 1,231.48/x
  3. Step 3: Cross multiply
    3,828.52x = 5,740.98 × 1,231.48
  4. Step 4: Simplify right side
    3,828.52x = 7,069,902.05
  5. Step 5: Solve for x
    x = 7,069,902.05/3,828.52
  6. Step 6: Final answer
    x = 1,846.64

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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.