Home / 2,579.12-3,849.94-2,216.24

Finding the Fourth Proportional to 2,579.12, 3,849.94 and 2,216.24

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Solution

The fourth proportional to 2,579.12, 3,849.94 and 2,216.24 is: 3,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.12 : 3,849.94 = 2,216.24 : x
  2. Step 2: Convert to fraction form
    2,579.12/3,849.94 = 2,216.24/x
  3. Step 3: Cross multiply
    2,579.12x = 3,849.94 × 2,216.24
  4. Step 4: Simplify right side
    2,579.12x = 8,532,391.03
  5. Step 5: Solve for x
    x = 8,532,391.03/2,579.12
  6. Step 6: Final answer
    x = 3,308.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.