Home / 1,791.39-2,684.01-1,270.53

Finding the Fourth Proportional to 1,791.39, 2,684.01 and 1,270.53

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Solution

The fourth proportional to 1,791.39, 2,684.01 and 1,270.53 is: 1,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.39 : 2,684.01 = 1,270.53 : x
  2. Step 2: Convert to fraction form
    1,791.39/2,684.01 = 1,270.53/x
  3. Step 3: Cross multiply
    1,791.39x = 2,684.01 × 1,270.53
  4. Step 4: Simplify right side
    1,791.39x = 3,410,115.23
  5. Step 5: Solve for x
    x = 3,410,115.23/1,791.39
  6. Step 6: Final answer
    x = 1,903.61

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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.