Home / 2,910.68-4,365.96-1,179.26

Finding the Fourth Proportional to 2,910.68, 4,365.96 and 1,179.26

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Solution

The fourth proportional to 2,910.68, 4,365.96 and 1,179.26 is: 1,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.68 : 4,365.96 = 1,179.26 : x
  2. Step 2: Convert to fraction form
    2,910.68/4,365.96 = 1,179.26/x
  3. Step 3: Cross multiply
    2,910.68x = 4,365.96 × 1,179.26
  4. Step 4: Simplify right side
    2,910.68x = 5,148,601.99
  5. Step 5: Solve for x
    x = 5,148,601.99/2,910.68
  6. Step 6: Final answer
    x = 1,768.87

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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.