Home / 3,006.40-4,147.68-1,747.25

Finding the Fourth Proportional to 3,006.40, 4,147.68 and 1,747.25

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Solution

The fourth proportional to 3,006.40, 4,147.68 and 1,747.25 is: 2,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.40 : 4,147.68 = 1,747.25 : x
  2. Step 2: Convert to fraction form
    3,006.40/4,147.68 = 1,747.25/x
  3. Step 3: Cross multiply
    3,006.40x = 4,147.68 × 1,747.25
  4. Step 4: Simplify right side
    3,006.40x = 7,247,033.88
  5. Step 5: Solve for x
    x = 7,247,033.88/3,006.40
  6. Step 6: Final answer
    x = 2,410.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.