Home / 2,021.66-3,033.30-789.46

Finding the Fourth Proportional to 2,021.66, 3,033.30 and 789.46

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Solution

The fourth proportional to 2,021.66, 3,033.30 and 789.46 is: 1,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.66 : 3,033.30 = 789.46 : x
  2. Step 2: Convert to fraction form
    2,021.66/3,033.30 = 789.46/x
  3. Step 3: Cross multiply
    2,021.66x = 3,033.30 × 789.46
  4. Step 4: Simplify right side
    2,021.66x = 2,394,669.02
  5. Step 5: Solve for x
    x = 2,394,669.02/2,021.66
  6. Step 6: Final answer
    x = 1,184.51

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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.