Home / 3,492.80-5,231.46-2,028.32

Finding the Fourth Proportional to 3,492.80, 5,231.46 and 2,028.32

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Solution

The fourth proportional to 3,492.80, 5,231.46 and 2,028.32 is: 3,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.80 : 5,231.46 = 2,028.32 : x
  2. Step 2: Convert to fraction form
    3,492.80/5,231.46 = 2,028.32/x
  3. Step 3: Cross multiply
    3,492.80x = 5,231.46 × 2,028.32
  4. Step 4: Simplify right side
    3,492.80x = 10,611,074.95
  5. Step 5: Solve for x
    x = 10,611,074.95/3,492.80
  6. Step 6: Final answer
    x = 3,037.99

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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.