Home / 2,911.20-4,358.37-2,610.73

Finding the Fourth Proportional to 2,911.20, 4,358.37 and 2,610.73

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Solution

The fourth proportional to 2,911.20, 4,358.37 and 2,610.73 is: 3,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.20 : 4,358.37 = 2,610.73 : x
  2. Step 2: Convert to fraction form
    2,911.20/4,358.37 = 2,610.73/x
  3. Step 3: Cross multiply
    2,911.20x = 4,358.37 × 2,610.73
  4. Step 4: Simplify right side
    2,911.20x = 11,378,542.55
  5. Step 5: Solve for x
    x = 11,378,542.55/2,911.20
  6. Step 6: Final answer
    x = 3,908.55

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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.