Home / 3,539.75-4,882.44-2,122.46

Finding the Fourth Proportional to 3,539.75, 4,882.44 and 2,122.46

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Solution

The fourth proportional to 3,539.75, 4,882.44 and 2,122.46 is: 2,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.75 : 4,882.44 = 2,122.46 : x
  2. Step 2: Convert to fraction form
    3,539.75/4,882.44 = 2,122.46/x
  3. Step 3: Cross multiply
    3,539.75x = 4,882.44 × 2,122.46
  4. Step 4: Simplify right side
    3,539.75x = 10,362,783.60
  5. Step 5: Solve for x
    x = 10,362,783.60/3,539.75
  6. Step 6: Final answer
    x = 2,927.55

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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.