Home / 3,862.29-5,329.75-2,183.60

Finding the Fourth Proportional to 3,862.29, 5,329.75 and 2,183.60

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Solution

The fourth proportional to 3,862.29, 5,329.75 and 2,183.60 is: 3,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.29 : 5,329.75 = 2,183.60 : x
  2. Step 2: Convert to fraction form
    3,862.29/5,329.75 = 2,183.60/x
  3. Step 3: Cross multiply
    3,862.29x = 5,329.75 × 2,183.60
  4. Step 4: Simplify right side
    3,862.29x = 11,638,042.10
  5. Step 5: Solve for x
    x = 11,638,042.10/3,862.29
  6. Step 6: Final answer
    x = 3,013.25

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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.