Home / 3,229.02-4,840.70-2,131.06

Finding the Fourth Proportional to 3,229.02, 4,840.70 and 2,131.06

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Solution

The fourth proportional to 3,229.02, 4,840.70 and 2,131.06 is: 3,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.02 : 4,840.70 = 2,131.06 : x
  2. Step 2: Convert to fraction form
    3,229.02/4,840.70 = 2,131.06/x
  3. Step 3: Cross multiply
    3,229.02x = 4,840.70 × 2,131.06
  4. Step 4: Simplify right side
    3,229.02x = 10,315,822.14
  5. Step 5: Solve for x
    x = 10,315,822.14/3,229.02
  6. Step 6: Final answer
    x = 3,194.72

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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.