Home / 3,185.94-4,396.08-2,008.60

Finding the Fourth Proportional to 3,185.94, 4,396.08 and 2,008.60

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Solution

The fourth proportional to 3,185.94, 4,396.08 and 2,008.60 is: 2,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.94 : 4,396.08 = 2,008.60 : x
  2. Step 2: Convert to fraction form
    3,185.94/4,396.08 = 2,008.60/x
  3. Step 3: Cross multiply
    3,185.94x = 4,396.08 × 2,008.60
  4. Step 4: Simplify right side
    3,185.94x = 8,829,966.29
  5. Step 5: Solve for x
    x = 8,829,966.29/3,185.94
  6. Step 6: Final answer
    x = 2,771.54

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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.