Home / 1,365.44-2,049.39-1,277.96

Finding the Fourth Proportional to 1,365.44, 2,049.39 and 1,277.96

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Solution

The fourth proportional to 1,365.44, 2,049.39 and 1,277.96 is: 1,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.44 : 2,049.39 = 1,277.96 : x
  2. Step 2: Convert to fraction form
    1,365.44/2,049.39 = 1,277.96/x
  3. Step 3: Cross multiply
    1,365.44x = 2,049.39 × 1,277.96
  4. Step 4: Simplify right side
    1,365.44x = 2,619,038.44
  5. Step 5: Solve for x
    x = 2,619,038.44/1,365.44
  6. Step 6: Final answer
    x = 1,918.09

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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.