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Finding the Fourth Proportional to 2,259.89, 3,390.92 and 799.73

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Solution

The fourth proportional to 2,259.89, 3,390.92 and 799.73 is: 1,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.89 : 3,390.92 = 799.73 : x
  2. Step 2: Convert to fraction form
    2,259.89/3,390.92 = 799.73/x
  3. Step 3: Cross multiply
    2,259.89x = 3,390.92 × 799.73
  4. Step 4: Simplify right side
    2,259.89x = 2,711,799.50
  5. Step 5: Solve for x
    x = 2,711,799.50/2,259.89
  6. Step 6: Final answer
    x = 1,199.97

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1.5x scale

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.