Home / 3,155.58-4,724.21-1,835.31

Finding the Fourth Proportional to 3,155.58, 4,724.21 and 1,835.31

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Solution

The fourth proportional to 3,155.58, 4,724.21 and 1,835.31 is: 2,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.58 : 4,724.21 = 1,835.31 : x
  2. Step 2: Convert to fraction form
    3,155.58/4,724.21 = 1,835.31/x
  3. Step 3: Cross multiply
    3,155.58x = 4,724.21 × 1,835.31
  4. Step 4: Simplify right side
    3,155.58x = 8,670,380.68
  5. Step 5: Solve for x
    x = 8,670,380.68/3,155.58
  6. Step 6: Final answer
    x = 2,747.63

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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.