Home / 3,229.23-4,456.35-1,812.96

Finding the Fourth Proportional to 3,229.23, 4,456.35 and 1,812.96

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Solution

The fourth proportional to 3,229.23, 4,456.35 and 1,812.96 is: 2,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.23 : 4,456.35 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    3,229.23/4,456.35 = 1,812.96/x
  3. Step 3: Cross multiply
    3,229.23x = 4,456.35 × 1,812.96
  4. Step 4: Simplify right side
    3,229.23x = 8,079,184.30
  5. Step 5: Solve for x
    x = 8,079,184.30/3,229.23
  6. Step 6: Final answer
    x = 2,501.89

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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.