Home / 3,890.22-5,835.33-1,425.23

Finding the Fourth Proportional to 3,890.22, 5,835.33 and 1,425.23

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Solution

The fourth proportional to 3,890.22, 5,835.33 and 1,425.23 is: 2,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.22 : 5,835.33 = 1,425.23 : x
  2. Step 2: Convert to fraction form
    3,890.22/5,835.33 = 1,425.23/x
  3. Step 3: Cross multiply
    3,890.22x = 5,835.33 × 1,425.23
  4. Step 4: Simplify right side
    3,890.22x = 8,316,702.70
  5. Step 5: Solve for x
    x = 8,316,702.70/3,890.22
  6. Step 6: Final answer
    x = 2,137.85

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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.