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Finding the Fourth Proportional to 3,471.00, 5,208.81 and 1,622.18

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Solution

The fourth proportional to 3,471.00, 5,208.81 and 1,622.18 is: 2,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.00 : 5,208.81 = 1,622.18 : x
  2. Step 2: Convert to fraction form
    3,471.00/5,208.81 = 1,622.18/x
  3. Step 3: Cross multiply
    3,471.00x = 5,208.81 × 1,622.18
  4. Step 4: Simplify right side
    3,471.00x = 8,449,605.05
  5. Step 5: Solve for x
    x = 8,449,605.05/3,471.00
  6. Step 6: Final answer
    x = 2,434.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.