Home / 3,079.25-4,619.56-1,231.23

Finding the Fourth Proportional to 3,079.25, 4,619.56 and 1,231.23

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Solution

The fourth proportional to 3,079.25, 4,619.56 and 1,231.23 is: 1,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.25 : 4,619.56 = 1,231.23 : x
  2. Step 2: Convert to fraction form
    3,079.25/4,619.56 = 1,231.23/x
  3. Step 3: Cross multiply
    3,079.25x = 4,619.56 × 1,231.23
  4. Step 4: Simplify right side
    3,079.25x = 5,687,740.86
  5. Step 5: Solve for x
    x = 5,687,740.86/3,079.25
  6. Step 6: Final answer
    x = 1,847.12

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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.