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Finding the Fourth Proportional to 2,305.60, 3,458.39 and 662.15

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Solution

The fourth proportional to 2,305.60, 3,458.39 and 662.15 is: 993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.60 : 3,458.39 = 662.15 : x
  2. Step 2: Convert to fraction form
    2,305.60/3,458.39 = 662.15/x
  3. Step 3: Cross multiply
    2,305.60x = 3,458.39 × 662.15
  4. Step 4: Simplify right side
    2,305.60x = 2,289,978.27
  5. Step 5: Solve for x
    x = 2,289,978.27/2,305.60
  6. Step 6: Final answer
    x = 993.23

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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.