Home / 3,222.40-4,449-2,474.92

Finding the Fourth Proportional to 3,222.40, 4,449 and 2,474.92

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Solution

The fourth proportional to 3,222.40, 4,449 and 2,474.92 is: 3,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.40 : 4,449 = 2,474.92 : x
  2. Step 2: Convert to fraction form
    3,222.40/4,449 = 2,474.92/x
  3. Step 3: Cross multiply
    3,222.40x = 4,449 × 2,474.92
  4. Step 4: Simplify right side
    3,222.40x = 11,010,919.08
  5. Step 5: Solve for x
    x = 11,010,919.08/3,222.40
  6. Step 6: Final answer
    x = 3,416.99

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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.