Home / 3,112.37-4,670.05-1,942.07

Finding the Fourth Proportional to 3,112.37, 4,670.05 and 1,942.07

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Solution

The fourth proportional to 3,112.37, 4,670.05 and 1,942.07 is: 2,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.37 : 4,670.05 = 1,942.07 : x
  2. Step 2: Convert to fraction form
    3,112.37/4,670.05 = 1,942.07/x
  3. Step 3: Cross multiply
    3,112.37x = 4,670.05 × 1,942.07
  4. Step 4: Simplify right side
    3,112.37x = 9,069,564.00
  5. Step 5: Solve for x
    x = 9,069,564.00/3,112.37
  6. Step 6: Final answer
    x = 2,914.04

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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.