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Finding the Fourth Proportional to 2,783.03, 4,173.12 and 834.98

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Solution

The fourth proportional to 2,783.03, 4,173.12 and 834.98 is: 1,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.03 : 4,173.12 = 834.98 : x
  2. Step 2: Convert to fraction form
    2,783.03/4,173.12 = 834.98/x
  3. Step 3: Cross multiply
    2,783.03x = 4,173.12 × 834.98
  4. Step 4: Simplify right side
    2,783.03x = 3,484,450.87
  5. Step 5: Solve for x
    x = 3,484,450.87/2,783.03
  6. Step 6: Final answer
    x = 1,252.04

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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.