Home / 1,977.04-2,728.34-1,092.92

Finding the Fourth Proportional to 1,977.04, 2,728.34 and 1,092.92

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Solution

The fourth proportional to 1,977.04, 2,728.34 and 1,092.92 is: 1,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.04 : 2,728.34 = 1,092.92 : x
  2. Step 2: Convert to fraction form
    1,977.04/2,728.34 = 1,092.92/x
  3. Step 3: Cross multiply
    1,977.04x = 2,728.34 × 1,092.92
  4. Step 4: Simplify right side
    1,977.04x = 2,981,857.35
  5. Step 5: Solve for x
    x = 2,981,857.35/1,977.04
  6. Step 6: Final answer
    x = 1,508.24

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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.