Home / 3,079.94-4,619.93-1,231.21

Finding the Fourth Proportional to 3,079.94, 4,619.93 and 1,231.21

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Solution

The fourth proportional to 3,079.94, 4,619.93 and 1,231.21 is: 1,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.94 : 4,619.93 = 1,231.21 : x
  2. Step 2: Convert to fraction form
    3,079.94/4,619.93 = 1,231.21/x
  3. Step 3: Cross multiply
    3,079.94x = 4,619.93 × 1,231.21
  4. Step 4: Simplify right side
    3,079.94x = 5,688,104.02
  5. Step 5: Solve for x
    x = 5,688,104.02/3,079.94
  6. Step 6: Final answer
    x = 1,846.82

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Similar ratio
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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.