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Finding the Fourth Proportional to 2,701, 3,725.94 and 1,815.28

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Solution

The fourth proportional to 2,701, 3,725.94 and 1,815.28 is: 2,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701 : 3,725.94 = 1,815.28 : x
  2. Step 2: Convert to fraction form
    2,701/3,725.94 = 1,815.28/x
  3. Step 3: Cross multiply
    2,701x = 3,725.94 × 1,815.28
  4. Step 4: Simplify right side
    2,701x = 6,763,624.36
  5. Step 5: Solve for x
    x = 6,763,624.36/2,701
  6. Step 6: Final answer
    x = 2,504.12

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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.