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Finding the Fourth Proportional to 3,018.92, 4,527 and 1,168.60

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Solution

The fourth proportional to 3,018.92, 4,527 and 1,168.60 is: 1,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.92 : 4,527 = 1,168.60 : x
  2. Step 2: Convert to fraction form
    3,018.92/4,527 = 1,168.60/x
  3. Step 3: Cross multiply
    3,018.92x = 4,527 × 1,168.60
  4. Step 4: Simplify right side
    3,018.92x = 5,290,252.20
  5. Step 5: Solve for x
    x = 5,290,252.20/3,018.92
  6. Step 6: Final answer
    x = 1,752.37

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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.