Home / 1,727.45-2,384.07-1,028.82

Finding the Fourth Proportional to 1,727.45, 2,384.07 and 1,028.82

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Solution

The fourth proportional to 1,727.45, 2,384.07 and 1,028.82 is: 1,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.45 : 2,384.07 = 1,028.82 : x
  2. Step 2: Convert to fraction form
    1,727.45/2,384.07 = 1,028.82/x
  3. Step 3: Cross multiply
    1,727.45x = 2,384.07 × 1,028.82
  4. Step 4: Simplify right side
    1,727.45x = 2,452,778.90
  5. Step 5: Solve for x
    x = 2,452,778.90/1,727.45
  6. Step 6: Final answer
    x = 1,419.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.