Home / 2,021.10-3,028.05-1,653.90

Finding the Fourth Proportional to 2,021.10, 3,028.05 and 1,653.90

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Solution

The fourth proportional to 2,021.10, 3,028.05 and 1,653.90 is: 2,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.10 : 3,028.05 = 1,653.90 : x
  2. Step 2: Convert to fraction form
    2,021.10/3,028.05 = 1,653.90/x
  3. Step 3: Cross multiply
    2,021.10x = 3,028.05 × 1,653.90
  4. Step 4: Simplify right side
    2,021.10x = 5,008,091.90
  5. Step 5: Solve for x
    x = 5,008,091.90/2,021.10
  6. Step 6: Final answer
    x = 2,477.90

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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.