Home / 3,834.20-5,742.24-1,886.96

Finding the Fourth Proportional to 3,834.20, 5,742.24 and 1,886.96

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Solution

The fourth proportional to 3,834.20, 5,742.24 and 1,886.96 is: 2,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.20 : 5,742.24 = 1,886.96 : x
  2. Step 2: Convert to fraction form
    3,834.20/5,742.24 = 1,886.96/x
  3. Step 3: Cross multiply
    3,834.20x = 5,742.24 × 1,886.96
  4. Step 4: Simplify right side
    3,834.20x = 10,835,377.19
  5. Step 5: Solve for x
    x = 10,835,377.19/3,834.20
  6. Step 6: Final answer
    x = 2,825.98

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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.