Home / 1,579.44-2,179.92-1,205.88

Finding the Fourth Proportional to 1,579.44, 2,179.92 and 1,205.88

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Solution

The fourth proportional to 1,579.44, 2,179.92 and 1,205.88 is: 1,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.44 : 2,179.92 = 1,205.88 : x
  2. Step 2: Convert to fraction form
    1,579.44/2,179.92 = 1,205.88/x
  3. Step 3: Cross multiply
    1,579.44x = 2,179.92 × 1,205.88
  4. Step 4: Simplify right side
    1,579.44x = 2,628,721.93
  5. Step 5: Solve for x
    x = 2,628,721.93/1,579.44
  6. Step 6: Final answer
    x = 1,664.34

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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.