Home / 3,296.65-4,945.77-1,105.39

Finding the Fourth Proportional to 3,296.65, 4,945.77 and 1,105.39

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Solution

The fourth proportional to 3,296.65, 4,945.77 and 1,105.39 is: 1,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.65 : 4,945.77 = 1,105.39 : x
  2. Step 2: Convert to fraction form
    3,296.65/4,945.77 = 1,105.39/x
  3. Step 3: Cross multiply
    3,296.65x = 4,945.77 × 1,105.39
  4. Step 4: Simplify right side
    3,296.65x = 5,467,004.70
  5. Step 5: Solve for x
    x = 5,467,004.70/3,296.65
  6. Step 6: Final answer
    x = 1,658.35

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1.5x scale

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.