Home / 3,105.24-4,289.94-2,317.92

Finding the Fourth Proportional to 3,105.24, 4,289.94 and 2,317.92

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Solution

The fourth proportional to 3,105.24, 4,289.94 and 2,317.92 is: 3,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.24 : 4,289.94 = 2,317.92 : x
  2. Step 2: Convert to fraction form
    3,105.24/4,289.94 = 2,317.92/x
  3. Step 3: Cross multiply
    3,105.24x = 4,289.94 × 2,317.92
  4. Step 4: Simplify right side
    3,105.24x = 9,943,737.72
  5. Step 5: Solve for x
    x = 9,943,737.72/3,105.24
  6. Step 6: Final answer
    x = 3,202.24

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1.5x scale

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.