Home / 3,222.75-4,447.41-1,825.50

Finding the Fourth Proportional to 3,222.75, 4,447.41 and 1,825.50

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Solution

The fourth proportional to 3,222.75, 4,447.41 and 1,825.50 is: 2,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.75 : 4,447.41 = 1,825.50 : x
  2. Step 2: Convert to fraction form
    3,222.75/4,447.41 = 1,825.50/x
  3. Step 3: Cross multiply
    3,222.75x = 4,447.41 × 1,825.50
  4. Step 4: Simplify right side
    3,222.75x = 8,118,746.96
  5. Step 5: Solve for x
    x = 8,118,746.96/3,222.75
  6. Step 6: Final answer
    x = 2,519.20

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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.