Home / 3,280.82-4,529.38-2,273.99

Finding the Fourth Proportional to 3,280.82, 4,529.38 and 2,273.99

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Solution

The fourth proportional to 3,280.82, 4,529.38 and 2,273.99 is: 3,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.82 : 4,529.38 = 2,273.99 : x
  2. Step 2: Convert to fraction form
    3,280.82/4,529.38 = 2,273.99/x
  3. Step 3: Cross multiply
    3,280.82x = 4,529.38 × 2,273.99
  4. Step 4: Simplify right side
    3,280.82x = 10,299,770.46
  5. Step 5: Solve for x
    x = 10,299,770.46/3,280.82
  6. Step 6: Final answer
    x = 3,139.39

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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.