Home / 3,579.32-4,940.34-2,183.24

Finding the Fourth Proportional to 3,579.32, 4,940.34 and 2,183.24

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Solution

The fourth proportional to 3,579.32, 4,940.34 and 2,183.24 is: 3,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.32 : 4,940.34 = 2,183.24 : x
  2. Step 2: Convert to fraction form
    3,579.32/4,940.34 = 2,183.24/x
  3. Step 3: Cross multiply
    3,579.32x = 4,940.34 × 2,183.24
  4. Step 4: Simplify right side
    3,579.32x = 10,785,947.90
  5. Step 5: Solve for x
    x = 10,785,947.90/3,579.32
  6. Step 6: Final answer
    x = 3,013.41

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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.