Home / 3,231.39-4,847.43-1,039.59

Finding the Fourth Proportional to 3,231.39, 4,847.43 and 1,039.59

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Solution

The fourth proportional to 3,231.39, 4,847.43 and 1,039.59 is: 1,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.39 : 4,847.43 = 1,039.59 : x
  2. Step 2: Convert to fraction form
    3,231.39/4,847.43 = 1,039.59/x
  3. Step 3: Cross multiply
    3,231.39x = 4,847.43 × 1,039.59
  4. Step 4: Simplify right side
    3,231.39x = 5,039,339.75
  5. Step 5: Solve for x
    x = 5,039,339.75/3,231.39
  6. Step 6: Final answer
    x = 1,559.50

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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.