Home / 1,966.92-2,714.85-1,127.88

Finding the Fourth Proportional to 1,966.92, 2,714.85 and 1,127.88

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Solution

The fourth proportional to 1,966.92, 2,714.85 and 1,127.88 is: 1,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.92 : 2,714.85 = 1,127.88 : x
  2. Step 2: Convert to fraction form
    1,966.92/2,714.85 = 1,127.88/x
  3. Step 3: Cross multiply
    1,966.92x = 2,714.85 × 1,127.88
  4. Step 4: Simplify right side
    1,966.92x = 3,062,025.02
  5. Step 5: Solve for x
    x = 3,062,025.02/1,966.92
  6. Step 6: Final answer
    x = 1,556.76

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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.