Home / 3,229.62-4,457.53-1,866.95

Finding the Fourth Proportional to 3,229.62, 4,457.53 and 1,866.95

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Solution

The fourth proportional to 3,229.62, 4,457.53 and 1,866.95 is: 2,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.62 : 4,457.53 = 1,866.95 : x
  2. Step 2: Convert to fraction form
    3,229.62/4,457.53 = 1,866.95/x
  3. Step 3: Cross multiply
    3,229.62x = 4,457.53 × 1,866.95
  4. Step 4: Simplify right side
    3,229.62x = 8,321,965.68
  5. Step 5: Solve for x
    x = 8,321,965.68/3,229.62
  6. Step 6: Final answer
    x = 2,576.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.