Home / 3,110.92-4,292.52-2,520.44

Finding the Fourth Proportional to 3,110.92, 4,292.52 and 2,520.44

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Solution

The fourth proportional to 3,110.92, 4,292.52 and 2,520.44 is: 3,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.92 : 4,292.52 = 2,520.44 : x
  2. Step 2: Convert to fraction form
    3,110.92/4,292.52 = 2,520.44/x
  3. Step 3: Cross multiply
    3,110.92x = 4,292.52 × 2,520.44
  4. Step 4: Simplify right side
    3,110.92x = 10,819,039.11
  5. Step 5: Solve for x
    x = 10,819,039.11/3,110.92
  6. Step 6: Final answer
    x = 3,477.76

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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.