Home / 3,220.26-4,830.07-1,028.60

Finding the Fourth Proportional to 3,220.26, 4,830.07 and 1,028.60

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Solution

The fourth proportional to 3,220.26, 4,830.07 and 1,028.60 is: 1,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.26 : 4,830.07 = 1,028.60 : x
  2. Step 2: Convert to fraction form
    3,220.26/4,830.07 = 1,028.60/x
  3. Step 3: Cross multiply
    3,220.26x = 4,830.07 × 1,028.60
  4. Step 4: Simplify right side
    3,220.26x = 4,968,210.00
  5. Step 5: Solve for x
    x = 4,968,210.00/3,220.26
  6. Step 6: Final answer
    x = 1,542.80

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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.