Home / 2,801.20-4,201.84-2,183.44

Finding the Fourth Proportional to 2,801.20, 4,201.84 and 2,183.44

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Solution

The fourth proportional to 2,801.20, 4,201.84 and 2,183.44 is: 3,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.20 : 4,201.84 = 2,183.44 : x
  2. Step 2: Convert to fraction form
    2,801.20/4,201.84 = 2,183.44/x
  3. Step 3: Cross multiply
    2,801.20x = 4,201.84 × 2,183.44
  4. Step 4: Simplify right side
    2,801.20x = 9,174,465.53
  5. Step 5: Solve for x
    x = 9,174,465.53/2,801.20
  6. Step 6: Final answer
    x = 3,275.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.