Home / 3,997.02-5,520.84-2,823.34

Finding the Fourth Proportional to 3,997.02, 5,520.84 and 2,823.34

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Solution

The fourth proportional to 3,997.02, 5,520.84 and 2,823.34 is: 3,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.02 : 5,520.84 = 2,823.34 : x
  2. Step 2: Convert to fraction form
    3,997.02/5,520.84 = 2,823.34/x
  3. Step 3: Cross multiply
    3,997.02x = 5,520.84 × 2,823.34
  4. Step 4: Simplify right side
    3,997.02x = 15,587,208.41
  5. Step 5: Solve for x
    x = 15,587,208.41/3,997.02
  6. Step 6: Final answer
    x = 3,899.71

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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.