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Finding the Fourth Proportional to 2,792.88, 4,199.04 and 2,579.04

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Solution

The fourth proportional to 2,792.88, 4,199.04 and 2,579.04 is: 3,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 4,199.04 = 2,579.04 : x
  2. Step 2: Convert to fraction form
    2,792.88/4,199.04 = 2,579.04/x
  3. Step 3: Cross multiply
    2,792.88x = 4,199.04 × 2,579.04
  4. Step 4: Simplify right side
    2,792.88x = 10,829,492.12
  5. Step 5: Solve for x
    x = 10,829,492.12/2,792.88
  6. Step 6: Final answer
    x = 3,877.54

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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.