Home / 2,028.28-3,040.30-933.40

Finding the Fourth Proportional to 2,028.28, 3,040.30 and 933.40

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Solution

The fourth proportional to 2,028.28, 3,040.30 and 933.40 is: 1,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.28 : 3,040.30 = 933.40 : x
  2. Step 2: Convert to fraction form
    2,028.28/3,040.30 = 933.40/x
  3. Step 3: Cross multiply
    2,028.28x = 3,040.30 × 933.40
  4. Step 4: Simplify right side
    2,028.28x = 2,837,816.02
  5. Step 5: Solve for x
    x = 2,837,816.02/2,028.28
  6. Step 6: Final answer
    x = 1,399.12

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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.