Home / 3,220.96-4,442.16-2,293.60

Finding the Fourth Proportional to 3,220.96, 4,442.16 and 2,293.60

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Solution

The fourth proportional to 3,220.96, 4,442.16 and 2,293.60 is: 3,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.96 : 4,442.16 = 2,293.60 : x
  2. Step 2: Convert to fraction form
    3,220.96/4,442.16 = 2,293.60/x
  3. Step 3: Cross multiply
    3,220.96x = 4,442.16 × 2,293.60
  4. Step 4: Simplify right side
    3,220.96x = 10,188,538.18
  5. Step 5: Solve for x
    x = 10,188,538.18/3,220.96
  6. Step 6: Final answer
    x = 3,163.20

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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.