Home / 3,993.12-5,510.30-2,224.55

Finding the Fourth Proportional to 3,993.12, 5,510.30 and 2,224.55

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Solution

The fourth proportional to 3,993.12, 5,510.30 and 2,224.55 is: 3,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.12 : 5,510.30 = 2,224.55 : x
  2. Step 2: Convert to fraction form
    3,993.12/5,510.30 = 2,224.55/x
  3. Step 3: Cross multiply
    3,993.12x = 5,510.30 × 2,224.55
  4. Step 4: Simplify right side
    3,993.12x = 12,257,940.52
  5. Step 5: Solve for x
    x = 12,257,940.52/3,993.12
  6. Step 6: Final answer
    x = 3,069.77

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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.