Home / 3,826.85-5,742.70-1,635.59

Finding the Fourth Proportional to 3,826.85, 5,742.70 and 1,635.59

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Solution

The fourth proportional to 3,826.85, 5,742.70 and 1,635.59 is: 2,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.85 : 5,742.70 = 1,635.59 : x
  2. Step 2: Convert to fraction form
    3,826.85/5,742.70 = 1,635.59/x
  3. Step 3: Cross multiply
    3,826.85x = 5,742.70 × 1,635.59
  4. Step 4: Simplify right side
    3,826.85x = 9,392,702.69
  5. Step 5: Solve for x
    x = 9,392,702.69/3,826.85
  6. Step 6: Final answer
    x = 2,454.42

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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.