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Finding the Fourth Proportional to 1,884.94, 2,825.10 and 1,366.72

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Solution

The fourth proportional to 1,884.94, 2,825.10 and 1,366.72 is: 2,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.94 : 2,825.10 = 1,366.72 : x
  2. Step 2: Convert to fraction form
    1,884.94/2,825.10 = 1,366.72/x
  3. Step 3: Cross multiply
    1,884.94x = 2,825.10 × 1,366.72
  4. Step 4: Simplify right side
    1,884.94x = 3,861,120.67
  5. Step 5: Solve for x
    x = 3,861,120.67/1,884.94
  6. Step 6: Final answer
    x = 2,048.41

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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.