Home / 3,511.05-4,849.67-3,092.78

Finding the Fourth Proportional to 3,511.05, 4,849.67 and 3,092.78

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Solution

The fourth proportional to 3,511.05, 4,849.67 and 3,092.78 is: 4,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.05 : 4,849.67 = 3,092.78 : x
  2. Step 2: Convert to fraction form
    3,511.05/4,849.67 = 3,092.78/x
  3. Step 3: Cross multiply
    3,511.05x = 4,849.67 × 3,092.78
  4. Step 4: Simplify right side
    3,511.05x = 14,998,982.24
  5. Step 5: Solve for x
    x = 14,998,982.24/3,511.05
  6. Step 6: Final answer
    x = 4,271.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.