Home / 2,976.54-4,107.70-1,796.92

Finding the Fourth Proportional to 2,976.54, 4,107.70 and 1,796.92

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Solution

The fourth proportional to 2,976.54, 4,107.70 and 1,796.92 is: 2,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.54 : 4,107.70 = 1,796.92 : x
  2. Step 2: Convert to fraction form
    2,976.54/4,107.70 = 1,796.92/x
  3. Step 3: Cross multiply
    2,976.54x = 4,107.70 × 1,796.92
  4. Step 4: Simplify right side
    2,976.54x = 7,381,208.28
  5. Step 5: Solve for x
    x = 7,381,208.28/2,976.54
  6. Step 6: Final answer
    x = 2,479.79

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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.