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Finding the Fourth Proportional to 1,843.76, 2,763.05 and 1,568.77

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Solution

The fourth proportional to 1,843.76, 2,763.05 and 1,568.77 is: 2,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.76 : 2,763.05 = 1,568.77 : x
  2. Step 2: Convert to fraction form
    1,843.76/2,763.05 = 1,568.77/x
  3. Step 3: Cross multiply
    1,843.76x = 2,763.05 × 1,568.77
  4. Step 4: Simplify right side
    1,843.76x = 4,334,575.20
  5. Step 5: Solve for x
    x = 4,334,575.20/1,843.76
  6. Step 6: Final answer
    x = 2,350.94

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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.