Home / 3,690.58-5,538.54-2,768.62

Finding the Fourth Proportional to 3,690.58, 5,538.54 and 2,768.62

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Solution

The fourth proportional to 3,690.58, 5,538.54 and 2,768.62 is: 4,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.58 : 5,538.54 = 2,768.62 : x
  2. Step 2: Convert to fraction form
    3,690.58/5,538.54 = 2,768.62/x
  3. Step 3: Cross multiply
    3,690.58x = 5,538.54 × 2,768.62
  4. Step 4: Simplify right side
    3,690.58x = 15,334,112.61
  5. Step 5: Solve for x
    x = 15,334,112.61/3,690.58
  6. Step 6: Final answer
    x = 4,154.93

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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.