Home / 1,791.23-2,471.82-1,005.26

Finding the Fourth Proportional to 1,791.23, 2,471.82 and 1,005.26

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Solution

The fourth proportional to 1,791.23, 2,471.82 and 1,005.26 is: 1,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.23 : 2,471.82 = 1,005.26 : x
  2. Step 2: Convert to fraction form
    1,791.23/2,471.82 = 1,005.26/x
  3. Step 3: Cross multiply
    1,791.23x = 2,471.82 × 1,005.26
  4. Step 4: Simplify right side
    1,791.23x = 2,484,821.77
  5. Step 5: Solve for x
    x = 2,484,821.77/1,791.23
  6. Step 6: Final answer
    x = 1,387.22

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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.