Home / 3,408.25-5,110.75-2,021.25

Finding the Fourth Proportional to 3,408.25, 5,110.75 and 2,021.25

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Solution

The fourth proportional to 3,408.25, 5,110.75 and 2,021.25 is: 3,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.25 : 5,110.75 = 2,021.25 : x
  2. Step 2: Convert to fraction form
    3,408.25/5,110.75 = 2,021.25/x
  3. Step 3: Cross multiply
    3,408.25x = 5,110.75 × 2,021.25
  4. Step 4: Simplify right side
    3,408.25x = 10,330,113.76
  5. Step 5: Solve for x
    x = 10,330,113.76/3,408.25
  6. Step 6: Final answer
    x = 3,030.91

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1.5x scale

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.