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Finding the Fourth Proportional to 2,789.03, 3,847.91 and 1,950.68

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Solution

The fourth proportional to 2,789.03, 3,847.91 and 1,950.68 is: 2,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.03 : 3,847.91 = 1,950.68 : x
  2. Step 2: Convert to fraction form
    2,789.03/3,847.91 = 1,950.68/x
  3. Step 3: Cross multiply
    2,789.03x = 3,847.91 × 1,950.68
  4. Step 4: Simplify right side
    2,789.03x = 7,506,040.95
  5. Step 5: Solve for x
    x = 7,506,040.95/2,789.03
  6. Step 6: Final answer
    x = 2,691.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.