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Finding the Fourth Proportional to 2,704.05, 4,054.05 and 1,728.27

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Solution

The fourth proportional to 2,704.05, 4,054.05 and 1,728.27 is: 2,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.05 : 4,054.05 = 1,728.27 : x
  2. Step 2: Convert to fraction form
    2,704.05/4,054.05 = 1,728.27/x
  3. Step 3: Cross multiply
    2,704.05x = 4,054.05 × 1,728.27
  4. Step 4: Simplify right side
    2,704.05x = 7,006,492.99
  5. Step 5: Solve for x
    x = 7,006,492.99/2,704.05
  6. Step 6: Final answer
    x = 2,591.11

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1.5x scale

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.