Home / 3,104.22-4,282.60-1,777.21

Finding the Fourth Proportional to 3,104.22, 4,282.60 and 1,777.21

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Solution

The fourth proportional to 3,104.22, 4,282.60 and 1,777.21 is: 2,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.22 : 4,282.60 = 1,777.21 : x
  2. Step 2: Convert to fraction form
    3,104.22/4,282.60 = 1,777.21/x
  3. Step 3: Cross multiply
    3,104.22x = 4,282.60 × 1,777.21
  4. Step 4: Simplify right side
    3,104.22x = 7,611,079.55
  5. Step 5: Solve for x
    x = 7,611,079.55/3,104.22
  6. Step 6: Final answer
    x = 2,451.85

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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.