Home / 1,946.99-2,687.04-1,107.73

Finding the Fourth Proportional to 1,946.99, 2,687.04 and 1,107.73

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Solution

The fourth proportional to 1,946.99, 2,687.04 and 1,107.73 is: 1,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.99 : 2,687.04 = 1,107.73 : x
  2. Step 2: Convert to fraction form
    1,946.99/2,687.04 = 1,107.73/x
  3. Step 3: Cross multiply
    1,946.99x = 2,687.04 × 1,107.73
  4. Step 4: Simplify right side
    1,946.99x = 2,976,514.82
  5. Step 5: Solve for x
    x = 2,976,514.82/1,946.99
  6. Step 6: Final answer
    x = 1,528.78

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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.