Home / 2,538.91-3,808.12-1,801.67

Finding the Fourth Proportional to 2,538.91, 3,808.12 and 1,801.67

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Solution

The fourth proportional to 2,538.91, 3,808.12 and 1,801.67 is: 2,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.91 : 3,808.12 = 1,801.67 : x
  2. Step 2: Convert to fraction form
    2,538.91/3,808.12 = 1,801.67/x
  3. Step 3: Cross multiply
    2,538.91x = 3,808.12 × 1,801.67
  4. Step 4: Simplify right side
    2,538.91x = 6,860,975.56
  5. Step 5: Solve for x
    x = 6,860,975.56/2,538.91
  6. Step 6: Final answer
    x = 2,702.33

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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.