Home / 3,298.20-4,940.10-2,563.80

Finding the Fourth Proportional to 3,298.20, 4,940.10 and 2,563.80

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Solution

The fourth proportional to 3,298.20, 4,940.10 and 2,563.80 is: 3,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.20 : 4,940.10 = 2,563.80 : x
  2. Step 2: Convert to fraction form
    3,298.20/4,940.10 = 2,563.80/x
  3. Step 3: Cross multiply
    3,298.20x = 4,940.10 × 2,563.80
  4. Step 4: Simplify right side
    3,298.20x = 12,665,428.38
  5. Step 5: Solve for x
    x = 12,665,428.38/3,298.20
  6. Step 6: Final answer
    x = 3,840.10

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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.