Home / 1,271.22-1,906.82-1,063.46

Finding the Fourth Proportional to 1,271.22, 1,906.82 and 1,063.46

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Solution

The fourth proportional to 1,271.22, 1,906.82 and 1,063.46 is: 1,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271.22 : 1,906.82 = 1,063.46 : x
  2. Step 2: Convert to fraction form
    1,271.22/1,906.82 = 1,063.46/x
  3. Step 3: Cross multiply
    1,271.22x = 1,906.82 × 1,063.46
  4. Step 4: Simplify right side
    1,271.22x = 2,027,826.80
  5. Step 5: Solve for x
    x = 2,027,826.80/1,271.22
  6. Step 6: Final answer
    x = 1,595.18

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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.