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Finding the Fourth Proportional to 2,794.84, 3,857.03 and 1,583.56

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Solution

The fourth proportional to 2,794.84, 3,857.03 and 1,583.56 is: 2,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.84 : 3,857.03 = 1,583.56 : x
  2. Step 2: Convert to fraction form
    2,794.84/3,857.03 = 1,583.56/x
  3. Step 3: Cross multiply
    2,794.84x = 3,857.03 × 1,583.56
  4. Step 4: Simplify right side
    2,794.84x = 6,107,838.43
  5. Step 5: Solve for x
    x = 6,107,838.43/2,794.84
  6. Step 6: Final answer
    x = 2,185.40

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1.5x scale

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.