Home / 2,739.58-4,109.59-1,179.62

Finding the Fourth Proportional to 2,739.58, 4,109.59 and 1,179.62

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Solution

The fourth proportional to 2,739.58, 4,109.59 and 1,179.62 is: 1,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.58 : 4,109.59 = 1,179.62 : x
  2. Step 2: Convert to fraction form
    2,739.58/4,109.59 = 1,179.62/x
  3. Step 3: Cross multiply
    2,739.58x = 4,109.59 × 1,179.62
  4. Step 4: Simplify right side
    2,739.58x = 4,847,748.66
  5. Step 5: Solve for x
    x = 4,847,748.66/2,739.58
  6. Step 6: Final answer
    x = 1,769.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.