Home / 1,026.82-1,418.26-1,019.62

Finding the Fourth Proportional to 1,026.82, 1,418.26 and 1,019.62

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Solution

The fourth proportional to 1,026.82, 1,418.26 and 1,019.62 is: 1,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.82 : 1,418.26 = 1,019.62 : x
  2. Step 2: Convert to fraction form
    1,026.82/1,418.26 = 1,019.62/x
  3. Step 3: Cross multiply
    1,026.82x = 1,418.26 × 1,019.62
  4. Step 4: Simplify right side
    1,026.82x = 1,446,080.17
  5. Step 5: Solve for x
    x = 1,446,080.17/1,026.82
  6. Step 6: Final answer
    x = 1,408.31

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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.