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Finding the Fourth Proportional to 3,240.38, 4,863 and 2,303.21

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Solution

The fourth proportional to 3,240.38, 4,863 and 2,303.21 is: 3,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,863 = 2,303.21 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,863 = 2,303.21/x
  3. Step 3: Cross multiply
    3,240.38x = 4,863 × 2,303.21
  4. Step 4: Simplify right side
    3,240.38x = 11,200,510.23
  5. Step 5: Solve for x
    x = 11,200,510.23/3,240.38
  6. Step 6: Final answer
    x = 3,456.54

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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.