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Finding the Fourth Proportional to 3,355.00, 4,630.19 and 1,863.20

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Solution

The fourth proportional to 3,355.00, 4,630.19 and 1,863.20 is: 2,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.00 : 4,630.19 = 1,863.20 : x
  2. Step 2: Convert to fraction form
    3,355.00/4,630.19 = 1,863.20/x
  3. Step 3: Cross multiply
    3,355.00x = 4,630.19 × 1,863.20
  4. Step 4: Simplify right side
    3,355.00x = 8,626,960.69
  5. Step 5: Solve for x
    x = 8,626,960.69/3,355.00
  6. Step 6: Final answer
    x = 2,571.38

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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.