Home / 3,389.69-5,086.46-1,829.68

Finding the Fourth Proportional to 3,389.69, 5,086.46 and 1,829.68

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Solution

The fourth proportional to 3,389.69, 5,086.46 and 1,829.68 is: 2,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.69 : 5,086.46 = 1,829.68 : x
  2. Step 2: Convert to fraction form
    3,389.69/5,086.46 = 1,829.68/x
  3. Step 3: Cross multiply
    3,389.69x = 5,086.46 × 1,829.68
  4. Step 4: Simplify right side
    3,389.69x = 9,306,585.99
  5. Step 5: Solve for x
    x = 9,306,585.99/3,389.69
  6. Step 6: Final answer
    x = 2,745.55

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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.