Home / 3,505.44-4,829.84-2,620.96

Finding the Fourth Proportional to 3,505.44, 4,829.84 and 2,620.96

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Solution

The fourth proportional to 3,505.44, 4,829.84 and 2,620.96 is: 3,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.44 : 4,829.84 = 2,620.96 : x
  2. Step 2: Convert to fraction form
    3,505.44/4,829.84 = 2,620.96/x
  3. Step 3: Cross multiply
    3,505.44x = 4,829.84 × 2,620.96
  4. Step 4: Simplify right side
    3,505.44x = 12,658,817.45
  5. Step 5: Solve for x
    x = 12,658,817.45/3,505.44
  6. Step 6: Final answer
    x = 3,611.19

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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.