Home / 3,198.06-4,801.23-2,509.20

Finding the Fourth Proportional to 3,198.06, 4,801.23 and 2,509.20

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Solution

The fourth proportional to 3,198.06, 4,801.23 and 2,509.20 is: 3,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.06 : 4,801.23 = 2,509.20 : x
  2. Step 2: Convert to fraction form
    3,198.06/4,801.23 = 2,509.20/x
  3. Step 3: Cross multiply
    3,198.06x = 4,801.23 × 2,509.20
  4. Step 4: Simplify right side
    3,198.06x = 12,047,246.32
  5. Step 5: Solve for x
    x = 12,047,246.32/3,198.06
  6. Step 6: Final answer
    x = 3,767.05

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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.