Home / 3,289.87-4,550.21-3,234.52

Finding the Fourth Proportional to 3,289.87, 4,550.21 and 3,234.52

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Solution

The fourth proportional to 3,289.87, 4,550.21 and 3,234.52 is: 4,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.87 : 4,550.21 = 3,234.52 : x
  2. Step 2: Convert to fraction form
    3,289.87/4,550.21 = 3,234.52/x
  3. Step 3: Cross multiply
    3,289.87x = 4,550.21 × 3,234.52
  4. Step 4: Simplify right side
    3,289.87x = 14,717,745.25
  5. Step 5: Solve for x
    x = 14,717,745.25/3,289.87
  6. Step 6: Final answer
    x = 4,473.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.