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Finding the Fourth Proportional to 2,659.03, 3,990.59 and 1,734.34

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Solution

The fourth proportional to 2,659.03, 3,990.59 and 1,734.34 is: 2,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.03 : 3,990.59 = 1,734.34 : x
  2. Step 2: Convert to fraction form
    2,659.03/3,990.59 = 1,734.34/x
  3. Step 3: Cross multiply
    2,659.03x = 3,990.59 × 1,734.34
  4. Step 4: Simplify right side
    2,659.03x = 6,921,028.85
  5. Step 5: Solve for x
    x = 6,921,028.85/2,659.03
  6. Step 6: Final answer
    x = 2,602.84

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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.