Home / 3,273.21-4,516.92-1,781.12

Finding the Fourth Proportional to 3,273.21, 4,516.92 and 1,781.12

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Solution

The fourth proportional to 3,273.21, 4,516.92 and 1,781.12 is: 2,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.21 : 4,516.92 = 1,781.12 : x
  2. Step 2: Convert to fraction form
    3,273.21/4,516.92 = 1,781.12/x
  3. Step 3: Cross multiply
    3,273.21x = 4,516.92 × 1,781.12
  4. Step 4: Simplify right side
    3,273.21x = 8,045,187.84
  5. Step 5: Solve for x
    x = 8,045,187.84/3,273.21
  6. Step 6: Final answer
    x = 2,457.89

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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.