Home / 3,025.22-4,538.26-945.41

Finding the Fourth Proportional to 3,025.22, 4,538.26 and 945.41

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Solution

The fourth proportional to 3,025.22, 4,538.26 and 945.41 is: 1,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.22 : 4,538.26 = 945.41 : x
  2. Step 2: Convert to fraction form
    3,025.22/4,538.26 = 945.41/x
  3. Step 3: Cross multiply
    3,025.22x = 4,538.26 × 945.41
  4. Step 4: Simplify right side
    3,025.22x = 4,290,516.39
  5. Step 5: Solve for x
    x = 4,290,516.39/3,025.22
  6. Step 6: Final answer
    x = 1,418.25

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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.