Home / 1,786.14-2,679.75-1,203.48

Finding the Fourth Proportional to 1,786.14, 2,679.75 and 1,203.48

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Solution

The fourth proportional to 1,786.14, 2,679.75 and 1,203.48 is: 1,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.14 : 2,679.75 = 1,203.48 : x
  2. Step 2: Convert to fraction form
    1,786.14/2,679.75 = 1,203.48/x
  3. Step 3: Cross multiply
    1,786.14x = 2,679.75 × 1,203.48
  4. Step 4: Simplify right side
    1,786.14x = 3,225,025.53
  5. Step 5: Solve for x
    x = 3,225,025.53/1,786.14
  6. Step 6: Final answer
    x = 1,805.58

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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.