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Finding the Fourth Proportional to 3,195.40, 4,793.10 and 1,004.80

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Solution

The fourth proportional to 3,195.40, 4,793.10 and 1,004.80 is: 1,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.40 : 4,793.10 = 1,004.80 : x
  2. Step 2: Convert to fraction form
    3,195.40/4,793.10 = 1,004.80/x
  3. Step 3: Cross multiply
    3,195.40x = 4,793.10 × 1,004.80
  4. Step 4: Simplify right side
    3,195.40x = 4,816,106.88
  5. Step 5: Solve for x
    x = 4,816,106.88/3,195.40
  6. Step 6: Final answer
    x = 1,507.20

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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.