Home / 3,829.80-5,745.24-1,330.68

Finding the Fourth Proportional to 3,829.80, 5,745.24 and 1,330.68

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Solution

The fourth proportional to 3,829.80, 5,745.24 and 1,330.68 is: 1,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.80 : 5,745.24 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    3,829.80/5,745.24 = 1,330.68/x
  3. Step 3: Cross multiply
    3,829.80x = 5,745.24 × 1,330.68
  4. Step 4: Simplify right side
    3,829.80x = 7,645,075.96
  5. Step 5: Solve for x
    x = 7,645,075.96/3,829.80
  6. Step 6: Final answer
    x = 1,996.21

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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.