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Finding the Fourth Proportional to 2,044.86, 3,059.73 and 1,981.50

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Solution

The fourth proportional to 2,044.86, 3,059.73 and 1,981.50 is: 2,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.86 : 3,059.73 = 1,981.50 : x
  2. Step 2: Convert to fraction form
    2,044.86/3,059.73 = 1,981.50/x
  3. Step 3: Cross multiply
    2,044.86x = 3,059.73 × 1,981.50
  4. Step 4: Simplify right side
    2,044.86x = 6,062,855.00
  5. Step 5: Solve for x
    x = 6,062,855.00/2,044.86
  6. Step 6: Final answer
    x = 2,964.92

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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.