Home / 3,108.27-4,662.37-917.02

Finding the Fourth Proportional to 3,108.27, 4,662.37 and 917.02

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Solution

The fourth proportional to 3,108.27, 4,662.37 and 917.02 is: 1,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.27 : 4,662.37 = 917.02 : x
  2. Step 2: Convert to fraction form
    3,108.27/4,662.37 = 917.02/x
  3. Step 3: Cross multiply
    3,108.27x = 4,662.37 × 917.02
  4. Step 4: Simplify right side
    3,108.27x = 4,275,458.64
  5. Step 5: Solve for x
    x = 4,275,458.64/3,108.27
  6. Step 6: Final answer
    x = 1,375.51

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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.