Home / 3,821.88-5,731.46-1,740.14

Finding the Fourth Proportional to 3,821.88, 5,731.46 and 1,740.14

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Solution

The fourth proportional to 3,821.88, 5,731.46 and 1,740.14 is: 2,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.88 : 5,731.46 = 1,740.14 : x
  2. Step 2: Convert to fraction form
    3,821.88/5,731.46 = 1,740.14/x
  3. Step 3: Cross multiply
    3,821.88x = 5,731.46 × 1,740.14
  4. Step 4: Simplify right side
    3,821.88x = 9,973,542.80
  5. Step 5: Solve for x
    x = 9,973,542.80/3,821.88
  6. Step 6: Final answer
    x = 2,609.59

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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.