Home / 3,411.03-5,111.30-2,021.60

Finding the Fourth Proportional to 3,411.03, 5,111.30 and 2,021.60

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Solution

The fourth proportional to 3,411.03, 5,111.30 and 2,021.60 is: 3,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.03 : 5,111.30 = 2,021.60 : x
  2. Step 2: Convert to fraction form
    3,411.03/5,111.30 = 2,021.60/x
  3. Step 3: Cross multiply
    3,411.03x = 5,111.30 × 2,021.60
  4. Step 4: Simplify right side
    3,411.03x = 10,333,004.08
  5. Step 5: Solve for x
    x = 10,333,004.08/3,411.03
  6. Step 6: Final answer
    x = 3,029.29

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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.