Home / 3,107.40-4,657.62-2,379.96

Finding the Fourth Proportional to 3,107.40, 4,657.62 and 2,379.96

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Solution

The fourth proportional to 3,107.40, 4,657.62 and 2,379.96 is: 3,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.40 : 4,657.62 = 2,379.96 : x
  2. Step 2: Convert to fraction form
    3,107.40/4,657.62 = 2,379.96/x
  3. Step 3: Cross multiply
    3,107.40x = 4,657.62 × 2,379.96
  4. Step 4: Simplify right side
    3,107.40x = 11,084,949.30
  5. Step 5: Solve for x
    x = 11,084,949.30/3,107.40
  6. Step 6: Final answer
    x = 3,567.27

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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.