Home / 3,198.72-4,771.08-3,101.52

Finding the Fourth Proportional to 3,198.72, 4,771.08 and 3,101.52

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Solution

The fourth proportional to 3,198.72, 4,771.08 and 3,101.52 is: 4,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.72 : 4,771.08 = 3,101.52 : x
  2. Step 2: Convert to fraction form
    3,198.72/4,771.08 = 3,101.52/x
  3. Step 3: Cross multiply
    3,198.72x = 4,771.08 × 3,101.52
  4. Step 4: Simplify right side
    3,198.72x = 14,797,600.04
  5. Step 5: Solve for x
    x = 14,797,600.04/3,198.72
  6. Step 6: Final answer
    x = 4,626.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.