Home / 4,108-5,669.04-2,638.56

Finding the Fourth Proportional to 4,108, 5,669.04 and 2,638.56

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Solution

The fourth proportional to 4,108, 5,669.04 and 2,638.56 is: 3,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108 : 5,669.04 = 2,638.56 : x
  2. Step 2: Convert to fraction form
    4,108/5,669.04 = 2,638.56/x
  3. Step 3: Cross multiply
    4,108x = 5,669.04 × 2,638.56
  4. Step 4: Simplify right side
    4,108x = 14,958,102.18
  5. Step 5: Solve for x
    x = 14,958,102.18/4,108
  6. Step 6: Final answer
    x = 3,641.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.