Home / 3,220.65-4,440.98-2,797.26

Finding the Fourth Proportional to 3,220.65, 4,440.98 and 2,797.26

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Solution

The fourth proportional to 3,220.65, 4,440.98 and 2,797.26 is: 3,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.65 : 4,440.98 = 2,797.26 : x
  2. Step 2: Convert to fraction form
    3,220.65/4,440.98 = 2,797.26/x
  3. Step 3: Cross multiply
    3,220.65x = 4,440.98 × 2,797.26
  4. Step 4: Simplify right side
    3,220.65x = 12,422,561.73
  5. Step 5: Solve for x
    x = 12,422,561.73/3,220.65
  6. Step 6: Final answer
    x = 3,857.16

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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.