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Finding the Fourth Proportional to 3,002.82, 4,505.04 and 1,055.22

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Solution

The fourth proportional to 3,002.82, 4,505.04 and 1,055.22 is: 1,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.82 : 4,505.04 = 1,055.22 : x
  2. Step 2: Convert to fraction form
    3,002.82/4,505.04 = 1,055.22/x
  3. Step 3: Cross multiply
    3,002.82x = 4,505.04 × 1,055.22
  4. Step 4: Simplify right side
    3,002.82x = 4,753,808.31
  5. Step 5: Solve for x
    x = 4,753,808.31/3,002.82
  6. Step 6: Final answer
    x = 1,583.11

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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.