Home / 1,511.31-2,266.49-1,027.47

Finding the Fourth Proportional to 1,511.31, 2,266.49 and 1,027.47

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Solution

The fourth proportional to 1,511.31, 2,266.49 and 1,027.47 is: 1,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.31 : 2,266.49 = 1,027.47 : x
  2. Step 2: Convert to fraction form
    1,511.31/2,266.49 = 1,027.47/x
  3. Step 3: Cross multiply
    1,511.31x = 2,266.49 × 1,027.47
  4. Step 4: Simplify right side
    1,511.31x = 2,328,745.34
  5. Step 5: Solve for x
    x = 2,328,745.34/1,511.31
  6. Step 6: Final answer
    x = 1,540.88

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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.