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Finding the Fourth Proportional to 2,445.68, 3,668.14 and 802.22

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Solution

The fourth proportional to 2,445.68, 3,668.14 and 802.22 is: 1,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.68 : 3,668.14 = 802.22 : x
  2. Step 2: Convert to fraction form
    2,445.68/3,668.14 = 802.22/x
  3. Step 3: Cross multiply
    2,445.68x = 3,668.14 × 802.22
  4. Step 4: Simplify right side
    2,445.68x = 2,942,662.44
  5. Step 5: Solve for x
    x = 2,942,662.44/2,445.68
  6. Step 6: Final answer
    x = 1,203.21

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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.