Home / 3,456.45-4,769.90-2,262.25

Finding the Fourth Proportional to 3,456.45, 4,769.90 and 2,262.25

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Solution

The fourth proportional to 3,456.45, 4,769.90 and 2,262.25 is: 3,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.45 : 4,769.90 = 2,262.25 : x
  2. Step 2: Convert to fraction form
    3,456.45/4,769.90 = 2,262.25/x
  3. Step 3: Cross multiply
    3,456.45x = 4,769.90 × 2,262.25
  4. Step 4: Simplify right side
    3,456.45x = 10,790,706.28
  5. Step 5: Solve for x
    x = 10,790,706.28/3,456.45
  6. Step 6: Final answer
    x = 3,121.91

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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.