Home / 3,406.88-5,106.05-1,456.79

Finding the Fourth Proportional to 3,406.88, 5,106.05 and 1,456.79

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Solution

The fourth proportional to 3,406.88, 5,106.05 and 1,456.79 is: 2,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.88 : 5,106.05 = 1,456.79 : x
  2. Step 2: Convert to fraction form
    3,406.88/5,106.05 = 1,456.79/x
  3. Step 3: Cross multiply
    3,406.88x = 5,106.05 × 1,456.79
  4. Step 4: Simplify right side
    3,406.88x = 7,438,435.30
  5. Step 5: Solve for x
    x = 7,438,435.30/3,406.88
  6. Step 6: Final answer
    x = 2,183.36

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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.