Home / 3,238.77-4,858.87-1,047.72

Finding the Fourth Proportional to 3,238.77, 4,858.87 and 1,047.72

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Solution

The fourth proportional to 3,238.77, 4,858.87 and 1,047.72 is: 1,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.77 : 4,858.87 = 1,047.72 : x
  2. Step 2: Convert to fraction form
    3,238.77/4,858.87 = 1,047.72/x
  3. Step 3: Cross multiply
    3,238.77x = 4,858.87 × 1,047.72
  4. Step 4: Simplify right side
    3,238.77x = 5,090,735.28
  5. Step 5: Solve for x
    x = 5,090,735.28/3,238.77
  6. Step 6: Final answer
    x = 1,571.81

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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.