Home / 3,579.73-4,940.13-2,087.71

Finding the Fourth Proportional to 3,579.73, 4,940.13 and 2,087.71

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Solution

The fourth proportional to 3,579.73, 4,940.13 and 2,087.71 is: 2,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.73 : 4,940.13 = 2,087.71 : x
  2. Step 2: Convert to fraction form
    3,579.73/4,940.13 = 2,087.71/x
  3. Step 3: Cross multiply
    3,579.73x = 4,940.13 × 2,087.71
  4. Step 4: Simplify right side
    3,579.73x = 10,313,558.80
  5. Step 5: Solve for x
    x = 10,313,558.80/3,579.73
  6. Step 6: Final answer
    x = 2,881.10

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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.