Home / 3,491.94-5,234.61-1,299.18

Finding the Fourth Proportional to 3,491.94, 5,234.61 and 1,299.18

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Solution

The fourth proportional to 3,491.94, 5,234.61 and 1,299.18 is: 1,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.94 : 5,234.61 = 1,299.18 : x
  2. Step 2: Convert to fraction form
    3,491.94/5,234.61 = 1,299.18/x
  3. Step 3: Cross multiply
    3,491.94x = 5,234.61 × 1,299.18
  4. Step 4: Simplify right side
    3,491.94x = 6,800,700.62
  5. Step 5: Solve for x
    x = 6,800,700.62/3,491.94
  6. Step 6: Final answer
    x = 1,947.54

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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.