Home / 2,021.36-3,032.10-789.05

Finding the Fourth Proportional to 2,021.36, 3,032.10 and 789.05

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Solution

The fourth proportional to 2,021.36, 3,032.10 and 789.05 is: 1,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.36 : 3,032.10 = 789.05 : x
  2. Step 2: Convert to fraction form
    2,021.36/3,032.10 = 789.05/x
  3. Step 3: Cross multiply
    2,021.36x = 3,032.10 × 789.05
  4. Step 4: Simplify right side
    2,021.36x = 2,392,478.51
  5. Step 5: Solve for x
    x = 2,392,478.51/2,021.36
  6. Step 6: Final answer
    x = 1,183.60

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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.