Home / 1,966.92-2,714.46-1,127.73

Finding the Fourth Proportional to 1,966.92, 2,714.46 and 1,127.73

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Solution

The fourth proportional to 1,966.92, 2,714.46 and 1,127.73 is: 1,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.92 : 2,714.46 = 1,127.73 : x
  2. Step 2: Convert to fraction form
    1,966.92/2,714.46 = 1,127.73/x
  3. Step 3: Cross multiply
    1,966.92x = 2,714.46 × 1,127.73
  4. Step 4: Simplify right side
    1,966.92x = 3,061,177.98
  5. Step 5: Solve for x
    x = 3,061,177.98/1,966.92
  6. Step 6: Final answer
    x = 1,556.33

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1.5x scale

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.