Home / 3,074.40-4,611.60-2,709.90

Finding the Fourth Proportional to 3,074.40, 4,611.60 and 2,709.90

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Solution

The fourth proportional to 3,074.40, 4,611.60 and 2,709.90 is: 4,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.40 : 4,611.60 = 2,709.90 : x
  2. Step 2: Convert to fraction form
    3,074.40/4,611.60 = 2,709.90/x
  3. Step 3: Cross multiply
    3,074.40x = 4,611.60 × 2,709.90
  4. Step 4: Simplify right side
    3,074.40x = 12,496,974.84
  5. Step 5: Solve for x
    x = 12,496,974.84/3,074.40
  6. Step 6: Final answer
    x = 4,064.85

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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.