Home / 3,183.99-4,394.19-1,858.12

Finding the Fourth Proportional to 3,183.99, 4,394.19 and 1,858.12

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Solution

The fourth proportional to 3,183.99, 4,394.19 and 1,858.12 is: 2,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.99 : 4,394.19 = 1,858.12 : x
  2. Step 2: Convert to fraction form
    3,183.99/4,394.19 = 1,858.12/x
  3. Step 3: Cross multiply
    3,183.99x = 4,394.19 × 1,858.12
  4. Step 4: Simplify right side
    3,183.99x = 8,164,947.80
  5. Step 5: Solve for x
    x = 8,164,947.80/3,183.99
  6. Step 6: Final answer
    x = 2,564.37

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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.