Home / 3,245.80-4,843.73-2,511.40

Finding the Fourth Proportional to 3,245.80, 4,843.73 and 2,511.40

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Solution

The fourth proportional to 3,245.80, 4,843.73 and 2,511.40 is: 3,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.80 : 4,843.73 = 2,511.40 : x
  2. Step 2: Convert to fraction form
    3,245.80/4,843.73 = 2,511.40/x
  3. Step 3: Cross multiply
    3,245.80x = 4,843.73 × 2,511.40
  4. Step 4: Simplify right side
    3,245.80x = 12,164,543.52
  5. Step 5: Solve for x
    x = 12,164,543.52/3,245.80
  6. Step 6: Final answer
    x = 3,747.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.