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Finding the Fourth Proportional to 3,018, 4,163.72 and 1,897.04

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Solution

The fourth proportional to 3,018, 4,163.72 and 1,897.04 is: 2,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018 : 4,163.72 = 1,897.04 : x
  2. Step 2: Convert to fraction form
    3,018/4,163.72 = 1,897.04/x
  3. Step 3: Cross multiply
    3,018x = 4,163.72 × 1,897.04
  4. Step 4: Simplify right side
    3,018x = 7,898,743.39
  5. Step 5: Solve for x
    x = 7,898,743.39/3,018
  6. Step 6: Final answer
    x = 2,617.21

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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.