Home / 3,782.18-5,673.68-1,149.68

Finding the Fourth Proportional to 3,782.18, 5,673.68 and 1,149.68

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Solution

The fourth proportional to 3,782.18, 5,673.68 and 1,149.68 is: 1,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.18 : 5,673.68 = 1,149.68 : x
  2. Step 2: Convert to fraction form
    3,782.18/5,673.68 = 1,149.68/x
  3. Step 3: Cross multiply
    3,782.18x = 5,673.68 × 1,149.68
  4. Step 4: Simplify right side
    3,782.18x = 6,522,929.17
  5. Step 5: Solve for x
    x = 6,522,929.17/3,782.18
  6. Step 6: Final answer
    x = 1,724.65

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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.