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Finding the Fourth Proportional to 3,355.64, 4,630.50 and 1,863.44

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Solution

The fourth proportional to 3,355.64, 4,630.50 and 1,863.44 is: 2,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.64 : 4,630.50 = 1,863.44 : x
  2. Step 2: Convert to fraction form
    3,355.64/4,630.50 = 1,863.44/x
  3. Step 3: Cross multiply
    3,355.64x = 4,630.50 × 1,863.44
  4. Step 4: Simplify right side
    3,355.64x = 8,628,658.92
  5. Step 5: Solve for x
    x = 8,628,658.92/3,355.64
  6. Step 6: Final answer
    x = 2,571.39

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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.