Home / 2,638.44-3,962.16-2,199.24

Finding the Fourth Proportional to 2,638.44, 3,962.16 and 2,199.24

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Solution

The fourth proportional to 2,638.44, 3,962.16 and 2,199.24 is: 3,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.44 : 3,962.16 = 2,199.24 : x
  2. Step 2: Convert to fraction form
    2,638.44/3,962.16 = 2,199.24/x
  3. Step 3: Cross multiply
    2,638.44x = 3,962.16 × 2,199.24
  4. Step 4: Simplify right side
    2,638.44x = 8,713,740.76
  5. Step 5: Solve for x
    x = 8,713,740.76/2,638.44
  6. Step 6: Final answer
    x = 3,302.61

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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.