Home / 3,021.05-4,522.07-2,078.48

Finding the Fourth Proportional to 3,021.05, 4,522.07 and 2,078.48

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Solution

The fourth proportional to 3,021.05, 4,522.07 and 2,078.48 is: 3,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.05 : 4,522.07 = 2,078.48 : x
  2. Step 2: Convert to fraction form
    3,021.05/4,522.07 = 2,078.48/x
  3. Step 3: Cross multiply
    3,021.05x = 4,522.07 × 2,078.48
  4. Step 4: Simplify right side
    3,021.05x = 9,398,999.05
  5. Step 5: Solve for x
    x = 9,398,999.05/3,021.05
  6. Step 6: Final answer
    x = 3,111.17

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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.