Home / 3,199.02-4,792.32-1,962.78

Finding the Fourth Proportional to 3,199.02, 4,792.32 and 1,962.78

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Solution

The fourth proportional to 3,199.02, 4,792.32 and 1,962.78 is: 2,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.02 : 4,792.32 = 1,962.78 : x
  2. Step 2: Convert to fraction form
    3,199.02/4,792.32 = 1,962.78/x
  3. Step 3: Cross multiply
    3,199.02x = 4,792.32 × 1,962.78
  4. Step 4: Simplify right side
    3,199.02x = 9,406,269.85
  5. Step 5: Solve for x
    x = 9,406,269.85/3,199.02
  6. Step 6: Final answer
    x = 2,940.36

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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.