Home / 3,194.50-4,786.26-2,538.40

Finding the Fourth Proportional to 3,194.50, 4,786.26 and 2,538.40

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Solution

The fourth proportional to 3,194.50, 4,786.26 and 2,538.40 is: 3,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.50 : 4,786.26 = 2,538.40 : x
  2. Step 2: Convert to fraction form
    3,194.50/4,786.26 = 2,538.40/x
  3. Step 3: Cross multiply
    3,194.50x = 4,786.26 × 2,538.40
  4. Step 4: Simplify right side
    3,194.50x = 12,149,418.45
  5. Step 5: Solve for x
    x = 12,149,418.45/3,194.50
  6. Step 6: Final answer
    x = 3,803.24

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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.