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Finding the Fourth Proportional to 1,751.87, 2,627.80 and 1,644.95

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Solution

The fourth proportional to 1,751.87, 2,627.80 and 1,644.95 is: 2,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.87 : 2,627.80 = 1,644.95 : x
  2. Step 2: Convert to fraction form
    1,751.87/2,627.80 = 1,644.95/x
  3. Step 3: Cross multiply
    1,751.87x = 2,627.80 × 1,644.95
  4. Step 4: Simplify right side
    1,751.87x = 4,322,582.36
  5. Step 5: Solve for x
    x = 4,322,582.36/1,751.87
  6. Step 6: Final answer
    x = 2,467.42

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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.