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Finding the Fourth Proportional to 3,853.60, 5,767.60 and 2,701.60

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Solution

The fourth proportional to 3,853.60, 5,767.60 and 2,701.60 is: 4,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.60 : 5,767.60 = 2,701.60 : x
  2. Step 2: Convert to fraction form
    3,853.60/5,767.60 = 2,701.60/x
  3. Step 3: Cross multiply
    3,853.60x = 5,767.60 × 2,701.60
  4. Step 4: Simplify right side
    3,853.60x = 15,581,748.16
  5. Step 5: Solve for x
    x = 15,581,748.16/3,853.60
  6. Step 6: Final answer
    x = 4,043.43

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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.