Home / 1,788.97-2,468.78-1,003.03

Finding the Fourth Proportional to 1,788.97, 2,468.78 and 1,003.03

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Solution

The fourth proportional to 1,788.97, 2,468.78 and 1,003.03 is: 1,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.97 : 2,468.78 = 1,003.03 : x
  2. Step 2: Convert to fraction form
    1,788.97/2,468.78 = 1,003.03/x
  3. Step 3: Cross multiply
    1,788.97x = 2,468.78 × 1,003.03
  4. Step 4: Simplify right side
    1,788.97x = 2,476,260.40
  5. Step 5: Solve for x
    x = 2,476,260.40/1,788.97
  6. Step 6: Final answer
    x = 1,384.18

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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.