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Finding the Fourth Proportional to 2,406.44, 3,609.80 and 675.20

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Solution

The fourth proportional to 2,406.44, 3,609.80 and 675.20 is: 1,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.44 : 3,609.80 = 675.20 : x
  2. Step 2: Convert to fraction form
    2,406.44/3,609.80 = 675.20/x
  3. Step 3: Cross multiply
    2,406.44x = 3,609.80 × 675.20
  4. Step 4: Simplify right side
    2,406.44x = 2,437,336.96
  5. Step 5: Solve for x
    x = 2,437,336.96/2,406.44
  6. Step 6: Final answer
    x = 1,012.84

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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.