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Finding the Fourth Proportional to 3,664.07, 5,497.31 and 2,436.31

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Solution

The fourth proportional to 3,664.07, 5,497.31 and 2,436.31 is: 3,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.07 : 5,497.31 = 2,436.31 : x
  2. Step 2: Convert to fraction form
    3,664.07/5,497.31 = 2,436.31/x
  3. Step 3: Cross multiply
    3,664.07x = 5,497.31 × 2,436.31
  4. Step 4: Simplify right side
    3,664.07x = 13,393,143.67
  5. Step 5: Solve for x
    x = 13,393,143.67/3,664.07
  6. Step 6: Final answer
    x = 3,655.27

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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.