Home / 2,821.02-4,226.73-1,995.25

Finding the Fourth Proportional to 2,821.02, 4,226.73 and 1,995.25

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Solution

The fourth proportional to 2,821.02, 4,226.73 and 1,995.25 is: 2,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.02 : 4,226.73 = 1,995.25 : x
  2. Step 2: Convert to fraction form
    2,821.02/4,226.73 = 1,995.25/x
  3. Step 3: Cross multiply
    2,821.02x = 4,226.73 × 1,995.25
  4. Step 4: Simplify right side
    2,821.02x = 8,433,383.03
  5. Step 5: Solve for x
    x = 8,433,383.03/2,821.02
  6. Step 6: Final answer
    x = 2,989.48

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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.