Home / 2,799.07-3,862.82-1,604.28

Finding the Fourth Proportional to 2,799.07, 3,862.82 and 1,604.28

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Solution

The fourth proportional to 2,799.07, 3,862.82 and 1,604.28 is: 2,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.07 : 3,862.82 = 1,604.28 : x
  2. Step 2: Convert to fraction form
    2,799.07/3,862.82 = 1,604.28/x
  3. Step 3: Cross multiply
    2,799.07x = 3,862.82 × 1,604.28
  4. Step 4: Simplify right side
    2,799.07x = 6,197,044.87
  5. Step 5: Solve for x
    x = 6,197,044.87/2,799.07
  6. Step 6: Final answer
    x = 2,213.97

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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.