Home / 3,611.80-5,412.90-2,584.60

Finding the Fourth Proportional to 3,611.80, 5,412.90 and 2,584.60

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Solution

The fourth proportional to 3,611.80, 5,412.90 and 2,584.60 is: 3,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.80 : 5,412.90 = 2,584.60 : x
  2. Step 2: Convert to fraction form
    3,611.80/5,412.90 = 2,584.60/x
  3. Step 3: Cross multiply
    3,611.80x = 5,412.90 × 2,584.60
  4. Step 4: Simplify right side
    3,611.80x = 13,990,181.34
  5. Step 5: Solve for x
    x = 13,990,181.34/3,611.80
  6. Step 6: Final answer
    x = 3,873.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.