Home / 3,821.09-5,731.61-2,513.09

Finding the Fourth Proportional to 3,821.09, 5,731.61 and 2,513.09

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Solution

The fourth proportional to 3,821.09, 5,731.61 and 2,513.09 is: 3,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.09 : 5,731.61 = 2,513.09 : x
  2. Step 2: Convert to fraction form
    3,821.09/5,731.61 = 2,513.09/x
  3. Step 3: Cross multiply
    3,821.09x = 5,731.61 × 2,513.09
  4. Step 4: Simplify right side
    3,821.09x = 14,404,010.55
  5. Step 5: Solve for x
    x = 14,404,010.55/3,821.09
  6. Step 6: Final answer
    x = 3,769.61

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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.