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Finding the Fourth Proportional to 2,018.70, 3,027.97 and 632.16

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Solution

The fourth proportional to 2,018.70, 3,027.97 and 632.16 is: 948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.70 : 3,027.97 = 632.16 : x
  2. Step 2: Convert to fraction form
    2,018.70/3,027.97 = 632.16/x
  3. Step 3: Cross multiply
    2,018.70x = 3,027.97 × 632.16
  4. Step 4: Simplify right side
    2,018.70x = 1,914,161.52
  5. Step 5: Solve for x
    x = 1,914,161.52/2,018.70
  6. Step 6: Final answer
    x = 948.21

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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.