Home / 1,682.06-2,515.80-1,628.60

Finding the Fourth Proportional to 1,682.06, 2,515.80 and 1,628.60

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Solution

The fourth proportional to 1,682.06, 2,515.80 and 1,628.60 is: 2,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.06 : 2,515.80 = 1,628.60 : x
  2. Step 2: Convert to fraction form
    1,682.06/2,515.80 = 1,628.60/x
  3. Step 3: Cross multiply
    1,682.06x = 2,515.80 × 1,628.60
  4. Step 4: Simplify right side
    1,682.06x = 4,097,231.88
  5. Step 5: Solve for x
    x = 4,097,231.88/1,682.06
  6. Step 6: Final answer
    x = 2,435.84

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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.