Home / 3,630.74-5,447.93-2,708.15

Finding the Fourth Proportional to 3,630.74, 5,447.93 and 2,708.15

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Solution

The fourth proportional to 3,630.74, 5,447.93 and 2,708.15 is: 4,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.74 : 5,447.93 = 2,708.15 : x
  2. Step 2: Convert to fraction form
    3,630.74/5,447.93 = 2,708.15/x
  3. Step 3: Cross multiply
    3,630.74x = 5,447.93 × 2,708.15
  4. Step 4: Simplify right side
    3,630.74x = 14,753,770.85
  5. Step 5: Solve for x
    x = 14,753,770.85/3,630.74
  6. Step 6: Final answer
    x = 4,063.58

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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.