Home / 3,185.87-4,774.68-1,336.50

Finding the Fourth Proportional to 3,185.87, 4,774.68 and 1,336.50

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Solution

The fourth proportional to 3,185.87, 4,774.68 and 1,336.50 is: 2,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.87 : 4,774.68 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    3,185.87/4,774.68 = 1,336.50/x
  3. Step 3: Cross multiply
    3,185.87x = 4,774.68 × 1,336.50
  4. Step 4: Simplify right side
    3,185.87x = 6,381,359.82
  5. Step 5: Solve for x
    x = 6,381,359.82/3,185.87
  6. Step 6: Final answer
    x = 2,003.02

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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.