Home / 1,788.14-2,682.76-1,205.48

Finding the Fourth Proportional to 1,788.14, 2,682.76 and 1,205.48

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Solution

The fourth proportional to 1,788.14, 2,682.76 and 1,205.48 is: 1,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.14 : 2,682.76 = 1,205.48 : x
  2. Step 2: Convert to fraction form
    1,788.14/2,682.76 = 1,205.48/x
  3. Step 3: Cross multiply
    1,788.14x = 2,682.76 × 1,205.48
  4. Step 4: Simplify right side
    1,788.14x = 3,234,013.52
  5. Step 5: Solve for x
    x = 3,234,013.52/1,788.14
  6. Step 6: Final answer
    x = 1,808.59

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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.