Home / 3,862.69-5,329.90-2,183.56

Finding the Fourth Proportional to 3,862.69, 5,329.90 and 2,183.56

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Solution

The fourth proportional to 3,862.69, 5,329.90 and 2,183.56 is: 3,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.69 : 5,329.90 = 2,183.56 : x
  2. Step 2: Convert to fraction form
    3,862.69/5,329.90 = 2,183.56/x
  3. Step 3: Cross multiply
    3,862.69x = 5,329.90 × 2,183.56
  4. Step 4: Simplify right side
    3,862.69x = 11,638,145.85
  5. Step 5: Solve for x
    x = 11,638,145.85/3,862.69
  6. Step 6: Final answer
    x = 3,012.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.