Home / 3,622.92-5,408.76-3,103.08

Finding the Fourth Proportional to 3,622.92, 5,408.76 and 3,103.08

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Solution

The fourth proportional to 3,622.92, 5,408.76 and 3,103.08 is: 4,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.92 : 5,408.76 = 3,103.08 : x
  2. Step 2: Convert to fraction form
    3,622.92/5,408.76 = 3,103.08/x
  3. Step 3: Cross multiply
    3,622.92x = 5,408.76 × 3,103.08
  4. Step 4: Simplify right side
    3,622.92x = 16,783,814.98
  5. Step 5: Solve for x
    x = 16,783,814.98/3,622.92
  6. Step 6: Final answer
    x = 4,632.68

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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.