Home / 2,723.60-4,085.94-1,079.84

Finding the Fourth Proportional to 2,723.60, 4,085.94 and 1,079.84

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Solution

The fourth proportional to 2,723.60, 4,085.94 and 1,079.84 is: 1,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.60 : 4,085.94 = 1,079.84 : x
  2. Step 2: Convert to fraction form
    2,723.60/4,085.94 = 1,079.84/x
  3. Step 3: Cross multiply
    2,723.60x = 4,085.94 × 1,079.84
  4. Step 4: Simplify right side
    2,723.60x = 4,412,161.45
  5. Step 5: Solve for x
    x = 4,412,161.45/2,723.60
  6. Step 6: Final answer
    x = 1,619.97

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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.