Home / 3,580.73-4,940.54-2,087.79

Finding the Fourth Proportional to 3,580.73, 4,940.54 and 2,087.79

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Solution

The fourth proportional to 3,580.73, 4,940.54 and 2,087.79 is: 2,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.73 : 4,940.54 = 2,087.79 : x
  2. Step 2: Convert to fraction form
    3,580.73/4,940.54 = 2,087.79/x
  3. Step 3: Cross multiply
    3,580.73x = 4,940.54 × 2,087.79
  4. Step 4: Simplify right side
    3,580.73x = 10,314,799.57
  5. Step 5: Solve for x
    x = 10,314,799.57/3,580.73
  6. Step 6: Final answer
    x = 2,880.65

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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.