Home / 3,418.37-5,128.77-1,471.94

Finding the Fourth Proportional to 3,418.37, 5,128.77 and 1,471.94

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Solution

The fourth proportional to 3,418.37, 5,128.77 and 1,471.94 is: 2,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.37 : 5,128.77 = 1,471.94 : x
  2. Step 2: Convert to fraction form
    3,418.37/5,128.77 = 1,471.94/x
  3. Step 3: Cross multiply
    3,418.37x = 5,128.77 × 1,471.94
  4. Step 4: Simplify right side
    3,418.37x = 7,549,232.54
  5. Step 5: Solve for x
    x = 7,549,232.54/3,418.37
  6. Step 6: Final answer
    x = 2,208.43

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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.