Home / 3,819.88-5,727.87-1,354.33

Finding the Fourth Proportional to 3,819.88, 5,727.87 and 1,354.33

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Solution

The fourth proportional to 3,819.88, 5,727.87 and 1,354.33 is: 2,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.88 : 5,727.87 = 1,354.33 : x
  2. Step 2: Convert to fraction form
    3,819.88/5,727.87 = 1,354.33/x
  3. Step 3: Cross multiply
    3,819.88x = 5,727.87 × 1,354.33
  4. Step 4: Simplify right side
    3,819.88x = 7,757,426.18
  5. Step 5: Solve for x
    x = 7,757,426.18/3,819.88
  6. Step 6: Final answer
    x = 2,030.80

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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.