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Finding the Fourth Proportional to 3,267.88, 4,898.94 and 1,971.88

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Solution

The fourth proportional to 3,267.88, 4,898.94 and 1,971.88 is: 2,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.88 : 4,898.94 = 1,971.88 : x
  2. Step 2: Convert to fraction form
    3,267.88/4,898.94 = 1,971.88/x
  3. Step 3: Cross multiply
    3,267.88x = 4,898.94 × 1,971.88
  4. Step 4: Simplify right side
    3,267.88x = 9,660,121.81
  5. Step 5: Solve for x
    x = 9,660,121.81/3,267.88
  6. Step 6: Final answer
    x = 2,956.08

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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.