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Finding the Fourth Proportional to 3,297.50, 4,550.55 and 1,900.25

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Solution

The fourth proportional to 3,297.50, 4,550.55 and 1,900.25 is: 2,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.50 : 4,550.55 = 1,900.25 : x
  2. Step 2: Convert to fraction form
    3,297.50/4,550.55 = 1,900.25/x
  3. Step 3: Cross multiply
    3,297.50x = 4,550.55 × 1,900.25
  4. Step 4: Simplify right side
    3,297.50x = 8,647,182.64
  5. Step 5: Solve for x
    x = 8,647,182.64/3,297.50
  6. Step 6: Final answer
    x = 2,622.35

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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.