Home / 2,028.11-3,043.60-729.77

Finding the Fourth Proportional to 2,028.11, 3,043.60 and 729.77

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Solution

The fourth proportional to 2,028.11, 3,043.60 and 729.77 is: 1,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.11 : 3,043.60 = 729.77 : x
  2. Step 2: Convert to fraction form
    2,028.11/3,043.60 = 729.77/x
  3. Step 3: Cross multiply
    2,028.11x = 3,043.60 × 729.77
  4. Step 4: Simplify right side
    2,028.11x = 2,221,110.93
  5. Step 5: Solve for x
    x = 2,221,110.93/2,028.11
  6. Step 6: Final answer
    x = 1,095.17

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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.