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Finding the Fourth Proportional to 2,894.36, 3,994.20 and 1,568.08

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Solution

The fourth proportional to 2,894.36, 3,994.20 and 1,568.08 is: 2,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.36 : 3,994.20 = 1,568.08 : x
  2. Step 2: Convert to fraction form
    2,894.36/3,994.20 = 1,568.08/x
  3. Step 3: Cross multiply
    2,894.36x = 3,994.20 × 1,568.08
  4. Step 4: Simplify right side
    2,894.36x = 6,263,230.13
  5. Step 5: Solve for x
    x = 6,263,230.13/2,894.36
  6. Step 6: Final answer
    x = 2,163.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.