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Finding the Fourth Proportional to 2,944.77, 4,059.50 and 2,103.99

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Solution

The fourth proportional to 2,944.77, 4,059.50 and 2,103.99 is: 2,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.77 : 4,059.50 = 2,103.99 : x
  2. Step 2: Convert to fraction form
    2,944.77/4,059.50 = 2,103.99/x
  3. Step 3: Cross multiply
    2,944.77x = 4,059.50 × 2,103.99
  4. Step 4: Simplify right side
    2,944.77x = 8,541,136.89
  5. Step 5: Solve for x
    x = 8,541,136.89/2,944.77
  6. Step 6: Final answer
    x = 2,900.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.