Home / 1,791.51-2,684.80-1,352.38

Finding the Fourth Proportional to 1,791.51, 2,684.80 and 1,352.38

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Solution

The fourth proportional to 1,791.51, 2,684.80 and 1,352.38 is: 2,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.51 : 2,684.80 = 1,352.38 : x
  2. Step 2: Convert to fraction form
    1,791.51/2,684.80 = 1,352.38/x
  3. Step 3: Cross multiply
    1,791.51x = 2,684.80 × 1,352.38
  4. Step 4: Simplify right side
    1,791.51x = 3,630,869.82
  5. Step 5: Solve for x
    x = 3,630,869.82/1,791.51
  6. Step 6: Final answer
    x = 2,026.71

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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.