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Finding the Fourth Proportional to 3,018.63, 4,525.11 and 1,629.90

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Solution

The fourth proportional to 3,018.63, 4,525.11 and 1,629.90 is: 2,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.63 : 4,525.11 = 1,629.90 : x
  2. Step 2: Convert to fraction form
    3,018.63/4,525.11 = 1,629.90/x
  3. Step 3: Cross multiply
    3,018.63x = 4,525.11 × 1,629.90
  4. Step 4: Simplify right side
    3,018.63x = 7,375,476.79
  5. Step 5: Solve for x
    x = 7,375,476.79/3,018.63
  6. Step 6: Final answer
    x = 2,443.32

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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.