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Finding the Fourth Proportional to 2,607.23, 3,911.04 and 758.37

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Solution

The fourth proportional to 2,607.23, 3,911.04 and 758.37 is: 1,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.23 : 3,911.04 = 758.37 : x
  2. Step 2: Convert to fraction form
    2,607.23/3,911.04 = 758.37/x
  3. Step 3: Cross multiply
    2,607.23x = 3,911.04 × 758.37
  4. Step 4: Simplify right side
    2,607.23x = 2,966,015.40
  5. Step 5: Solve for x
    x = 2,966,015.40/2,607.23
  6. Step 6: Final answer
    x = 1,137.61

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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.