Home / 3,826.97-5,743.08-1,878.11

Finding the Fourth Proportional to 3,826.97, 5,743.08 and 1,878.11

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Solution

The fourth proportional to 3,826.97, 5,743.08 and 1,878.11 is: 2,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.97 : 5,743.08 = 1,878.11 : x
  2. Step 2: Convert to fraction form
    3,826.97/5,743.08 = 1,878.11/x
  3. Step 3: Cross multiply
    3,826.97x = 5,743.08 × 1,878.11
  4. Step 4: Simplify right side
    3,826.97x = 10,786,135.98
  5. Step 5: Solve for x
    x = 10,786,135.98/3,826.97
  6. Step 6: Final answer
    x = 2,818.45

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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.