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Finding the Fourth Proportional to 2,305.67, 3,458.03 and 662.31

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Solution

The fourth proportional to 2,305.67, 3,458.03 and 662.31 is: 993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.67 : 3,458.03 = 662.31 : x
  2. Step 2: Convert to fraction form
    2,305.67/3,458.03 = 662.31/x
  3. Step 3: Cross multiply
    2,305.67x = 3,458.03 × 662.31
  4. Step 4: Simplify right side
    2,305.67x = 2,290,284.54
  5. Step 5: Solve for x
    x = 2,290,284.54/2,305.67
  6. Step 6: Final answer
    x = 993.33

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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.