Home / 3,148.12-4,725.96-1,850.50

Finding the Fourth Proportional to 3,148.12, 4,725.96 and 1,850.50

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Solution

The fourth proportional to 3,148.12, 4,725.96 and 1,850.50 is: 2,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.12 : 4,725.96 = 1,850.50 : x
  2. Step 2: Convert to fraction form
    3,148.12/4,725.96 = 1,850.50/x
  3. Step 3: Cross multiply
    3,148.12x = 4,725.96 × 1,850.50
  4. Step 4: Simplify right side
    3,148.12x = 8,745,388.98
  5. Step 5: Solve for x
    x = 8,745,388.98/3,148.12
  6. Step 6: Final answer
    x = 2,777.97

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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.