Home / 3,183.48-4,395.24-2,188.44

Finding the Fourth Proportional to 3,183.48, 4,395.24 and 2,188.44

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Solution

The fourth proportional to 3,183.48, 4,395.24 and 2,188.44 is: 3,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.48 : 4,395.24 = 2,188.44 : x
  2. Step 2: Convert to fraction form
    3,183.48/4,395.24 = 2,188.44/x
  3. Step 3: Cross multiply
    3,183.48x = 4,395.24 × 2,188.44
  4. Step 4: Simplify right side
    3,183.48x = 9,618,719.03
  5. Step 5: Solve for x
    x = 9,618,719.03/3,183.48
  6. Step 6: Final answer
    x = 3,021.45

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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.