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Finding the Fourth Proportional to 2,743, 3,785.36 and 1,501

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Solution

The fourth proportional to 2,743, 3,785.36 and 1,501 is: 2,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743 : 3,785.36 = 1,501 : x
  2. Step 2: Convert to fraction form
    2,743/3,785.36 = 1,501/x
  3. Step 3: Cross multiply
    2,743x = 3,785.36 × 1,501
  4. Step 4: Simplify right side
    2,743x = 5,681,825.36
  5. Step 5: Solve for x
    x = 5,681,825.36/2,743
  6. Step 6: Final answer
    x = 2,071.39

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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.