Home / 3,280.22-4,922.84-1,202.20

Finding the Fourth Proportional to 3,280.22, 4,922.84 and 1,202.20

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Solution

The fourth proportional to 3,280.22, 4,922.84 and 1,202.20 is: 1,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.22 : 4,922.84 = 1,202.20 : x
  2. Step 2: Convert to fraction form
    3,280.22/4,922.84 = 1,202.20/x
  3. Step 3: Cross multiply
    3,280.22x = 4,922.84 × 1,202.20
  4. Step 4: Simplify right side
    3,280.22x = 5,918,238.25
  5. Step 5: Solve for x
    x = 5,918,238.25/3,280.22
  6. Step 6: Final answer
    x = 1,804.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.