Home / 3,620.80-4,996.68-2,048.86

Finding the Fourth Proportional to 3,620.80, 4,996.68 and 2,048.86

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Solution

The fourth proportional to 3,620.80, 4,996.68 and 2,048.86 is: 2,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.80 : 4,996.68 = 2,048.86 : x
  2. Step 2: Convert to fraction form
    3,620.80/4,996.68 = 2,048.86/x
  3. Step 3: Cross multiply
    3,620.80x = 4,996.68 × 2,048.86
  4. Step 4: Simplify right side
    3,620.80x = 10,237,497.78
  5. Step 5: Solve for x
    x = 10,237,497.78/3,620.80
  6. Step 6: Final answer
    x = 2,827.41

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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.