Home / 2,589.33-3,884.61-945.90

Finding the Fourth Proportional to 2,589.33, 3,884.61 and 945.90

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Solution

The fourth proportional to 2,589.33, 3,884.61 and 945.90 is: 1,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.33 : 3,884.61 = 945.90 : x
  2. Step 2: Convert to fraction form
    2,589.33/3,884.61 = 945.90/x
  3. Step 3: Cross multiply
    2,589.33x = 3,884.61 × 945.90
  4. Step 4: Simplify right side
    2,589.33x = 3,674,452.60
  5. Step 5: Solve for x
    x = 3,674,452.60/2,589.33
  6. Step 6: Final answer
    x = 1,419.07

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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.