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Finding the Fourth Proportional to 2,028.26, 3,040.32 and 933.42

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Solution

The fourth proportional to 2,028.26, 3,040.32 and 933.42 is: 1,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.26 : 3,040.32 = 933.42 : x
  2. Step 2: Convert to fraction form
    2,028.26/3,040.32 = 933.42/x
  3. Step 3: Cross multiply
    2,028.26x = 3,040.32 × 933.42
  4. Step 4: Simplify right side
    2,028.26x = 2,837,895.49
  5. Step 5: Solve for x
    x = 2,837,895.49/2,028.26
  6. Step 6: Final answer
    x = 1,399.18

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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.