Home / 3,318.26-4,986.77-3,195.54

Finding the Fourth Proportional to 3,318.26, 4,986.77 and 3,195.54

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Solution

The fourth proportional to 3,318.26, 4,986.77 and 3,195.54 is: 4,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.26 : 4,986.77 = 3,195.54 : x
  2. Step 2: Convert to fraction form
    3,318.26/4,986.77 = 3,195.54/x
  3. Step 3: Cross multiply
    3,318.26x = 4,986.77 × 3,195.54
  4. Step 4: Simplify right side
    3,318.26x = 15,935,407.03
  5. Step 5: Solve for x
    x = 15,935,407.03/3,318.26
  6. Step 6: Final answer
    x = 4,802.35

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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.