Home / 3,638.10-5,020.46-2,044.80

Finding the Fourth Proportional to 3,638.10, 5,020.46 and 2,044.80

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Solution

The fourth proportional to 3,638.10, 5,020.46 and 2,044.80 is: 2,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.10 : 5,020.46 = 2,044.80 : x
  2. Step 2: Convert to fraction form
    3,638.10/5,020.46 = 2,044.80/x
  3. Step 3: Cross multiply
    3,638.10x = 5,020.46 × 2,044.80
  4. Step 4: Simplify right side
    3,638.10x = 10,265,836.61
  5. Step 5: Solve for x
    x = 10,265,836.61/3,638.10
  6. Step 6: Final answer
    x = 2,821.76

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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.