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Finding the Fourth Proportional to 2,797.47, 3,853.84 and 1,956.60

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Solution

The fourth proportional to 2,797.47, 3,853.84 and 1,956.60 is: 2,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.47 : 3,853.84 = 1,956.60 : x
  2. Step 2: Convert to fraction form
    2,797.47/3,853.84 = 1,956.60/x
  3. Step 3: Cross multiply
    2,797.47x = 3,853.84 × 1,956.60
  4. Step 4: Simplify right side
    2,797.47x = 7,540,423.34
  5. Step 5: Solve for x
    x = 7,540,423.34/2,797.47
  6. Step 6: Final answer
    x = 2,695.44

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