Home / 1,492.82-2,058.66-1,115.54

Finding the Fourth Proportional to 1,492.82, 2,058.66 and 1,115.54

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Solution

The fourth proportional to 1,492.82, 2,058.66 and 1,115.54 is: 1,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.82 : 2,058.66 = 1,115.54 : x
  2. Step 2: Convert to fraction form
    1,492.82/2,058.66 = 1,115.54/x
  3. Step 3: Cross multiply
    1,492.82x = 2,058.66 × 1,115.54
  4. Step 4: Simplify right side
    1,492.82x = 2,296,517.58
  5. Step 5: Solve for x
    x = 2,296,517.58/1,492.82
  6. Step 6: Final answer
    x = 1,538.38

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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.