Home / 3,408.28-5,111.34-1,458.52

Finding the Fourth Proportional to 3,408.28, 5,111.34 and 1,458.52

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Solution

The fourth proportional to 3,408.28, 5,111.34 and 1,458.52 is: 2,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.28 : 5,111.34 = 1,458.52 : x
  2. Step 2: Convert to fraction form
    3,408.28/5,111.34 = 1,458.52/x
  3. Step 3: Cross multiply
    3,408.28x = 5,111.34 × 1,458.52
  4. Step 4: Simplify right side
    3,408.28x = 7,454,991.62
  5. Step 5: Solve for x
    x = 7,454,991.62/3,408.28
  6. Step 6: Final answer
    x = 2,187.32

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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.