Home / 3,411.80-5,112.23-3,083.75

Finding the Fourth Proportional to 3,411.80, 5,112.23 and 3,083.75

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Solution

The fourth proportional to 3,411.80, 5,112.23 and 3,083.75 is: 4,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.80 : 5,112.23 = 3,083.75 : x
  2. Step 2: Convert to fraction form
    3,411.80/5,112.23 = 3,083.75/x
  3. Step 3: Cross multiply
    3,411.80x = 5,112.23 × 3,083.75
  4. Step 4: Simplify right side
    3,411.80x = 15,764,839.26
  5. Step 5: Solve for x
    x = 15,764,839.26/3,411.80
  6. Step 6: Final answer
    x = 4,620.68

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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.