Home / 1,699.25-2,551.61-1,282.80

Finding the Fourth Proportional to 1,699.25, 2,551.61 and 1,282.80

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Solution

The fourth proportional to 1,699.25, 2,551.61 and 1,282.80 is: 1,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.25 : 2,551.61 = 1,282.80 : x
  2. Step 2: Convert to fraction form
    1,699.25/2,551.61 = 1,282.80/x
  3. Step 3: Cross multiply
    1,699.25x = 2,551.61 × 1,282.80
  4. Step 4: Simplify right side
    1,699.25x = 3,273,198.89
  5. Step 5: Solve for x
    x = 3,273,198.89/1,699.25
  6. Step 6: Final answer
    x = 1,926.27

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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.