Home / 3,018.12-4,522.38-2,192.52

Finding the Fourth Proportional to 3,018.12, 4,522.38 and 2,192.52

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Solution

The fourth proportional to 3,018.12, 4,522.38 and 2,192.52 is: 3,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.12 : 4,522.38 = 2,192.52 : x
  2. Step 2: Convert to fraction form
    3,018.12/4,522.38 = 2,192.52/x
  3. Step 3: Cross multiply
    3,018.12x = 4,522.38 × 2,192.52
  4. Step 4: Simplify right side
    3,018.12x = 9,915,408.60
  5. Step 5: Solve for x
    x = 9,915,408.60/3,018.12
  6. Step 6: Final answer
    x = 3,285.29

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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.