Home / 3,579.21-5,346.92-3,449.61

Finding the Fourth Proportional to 3,579.21, 5,346.92 and 3,449.61

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Solution

The fourth proportional to 3,579.21, 5,346.92 and 3,449.61 is: 5,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.21 : 5,346.92 = 3,449.61 : x
  2. Step 2: Convert to fraction form
    3,579.21/5,346.92 = 3,449.61/x
  3. Step 3: Cross multiply
    3,579.21x = 5,346.92 × 3,449.61
  4. Step 4: Simplify right side
    3,579.21x = 18,444,797.33
  5. Step 5: Solve for x
    x = 18,444,797.33/3,579.21
  6. Step 6: Final answer
    x = 5,153.32

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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.