Home / 2,910.87-4,366.58-1,179.63

Finding the Fourth Proportional to 2,910.87, 4,366.58 and 1,179.63

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Solution

The fourth proportional to 2,910.87, 4,366.58 and 1,179.63 is: 1,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.87 : 4,366.58 = 1,179.63 : x
  2. Step 2: Convert to fraction form
    2,910.87/4,366.58 = 1,179.63/x
  3. Step 3: Cross multiply
    2,910.87x = 4,366.58 × 1,179.63
  4. Step 4: Simplify right side
    2,910.87x = 5,150,942.87
  5. Step 5: Solve for x
    x = 5,150,942.87/2,910.87
  6. Step 6: Final answer
    x = 1,769.55

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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.