Home / 1,747.62-2,623.14-1,284.09

Finding the Fourth Proportional to 1,747.62, 2,623.14 and 1,284.09

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Solution

The fourth proportional to 1,747.62, 2,623.14 and 1,284.09 is: 1,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.62 : 2,623.14 = 1,284.09 : x
  2. Step 2: Convert to fraction form
    1,747.62/2,623.14 = 1,284.09/x
  3. Step 3: Cross multiply
    1,747.62x = 2,623.14 × 1,284.09
  4. Step 4: Simplify right side
    1,747.62x = 3,368,347.84
  5. Step 5: Solve for x
    x = 3,368,347.84/1,747.62
  6. Step 6: Final answer
    x = 1,927.39

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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.