Home / 3,490.50-5,229.02-2,025.20

Finding the Fourth Proportional to 3,490.50, 5,229.02 and 2,025.20

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Solution

The fourth proportional to 3,490.50, 5,229.02 and 2,025.20 is: 3,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.50 : 5,229.02 = 2,025.20 : x
  2. Step 2: Convert to fraction form
    3,490.50/5,229.02 = 2,025.20/x
  3. Step 3: Cross multiply
    3,490.50x = 5,229.02 × 2,025.20
  4. Step 4: Simplify right side
    3,490.50x = 10,589,811.30
  5. Step 5: Solve for x
    x = 10,589,811.30/3,490.50
  6. Step 6: Final answer
    x = 3,033.90

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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.