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Finding the Fourth Proportional to 2,440.45, 3,661.04 and 708.85

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Solution

The fourth proportional to 2,440.45, 3,661.04 and 708.85 is: 1,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.45 : 3,661.04 = 708.85 : x
  2. Step 2: Convert to fraction form
    2,440.45/3,661.04 = 708.85/x
  3. Step 3: Cross multiply
    2,440.45x = 3,661.04 × 708.85
  4. Step 4: Simplify right side
    2,440.45x = 2,595,115.51
  5. Step 5: Solve for x
    x = 2,595,115.51/2,440.45
  6. Step 6: Final answer
    x = 1,063.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.