Home / 2,910.64-4,365.94-1,179.24

Finding the Fourth Proportional to 2,910.64, 4,365.94 and 1,179.24

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Solution

The fourth proportional to 2,910.64, 4,365.94 and 1,179.24 is: 1,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.64 : 4,365.94 = 1,179.24 : x
  2. Step 2: Convert to fraction form
    2,910.64/4,365.94 = 1,179.24/x
  3. Step 3: Cross multiply
    2,910.64x = 4,365.94 × 1,179.24
  4. Step 4: Simplify right side
    2,910.64x = 5,148,491.09
  5. Step 5: Solve for x
    x = 5,148,491.09/2,910.64
  6. Step 6: Final answer
    x = 1,768.85

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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.