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Finding the Fourth Proportional to 3,604.50, 5,402.60 and 1,628.00

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Solution

The fourth proportional to 3,604.50, 5,402.60 and 1,628.00 is: 2,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.50 : 5,402.60 = 1,628.00 : x
  2. Step 2: Convert to fraction form
    3,604.50/5,402.60 = 1,628.00/x
  3. Step 3: Cross multiply
    3,604.50x = 5,402.60 × 1,628.00
  4. Step 4: Simplify right side
    3,604.50x = 8,795,424.01
  5. Step 5: Solve for x
    x = 8,795,424.01/3,604.50
  6. Step 6: Final answer
    x = 2,440.12

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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.