Home / 4,280.49-5,906.90-2,687.97

Finding the Fourth Proportional to 4,280.49, 5,906.90 and 2,687.97

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Solution

The fourth proportional to 4,280.49, 5,906.90 and 2,687.97 is: 3,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.49 : 5,906.90 = 2,687.97 : x
  2. Step 2: Convert to fraction form
    4,280.49/5,906.90 = 2,687.97/x
  3. Step 3: Cross multiply
    4,280.49x = 5,906.90 × 2,687.97
  4. Step 4: Simplify right side
    4,280.49x = 15,877,556.55
  5. Step 5: Solve for x
    x = 15,877,556.55/4,280.49
  6. Step 6: Final answer
    x = 3,709.28

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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.