Home / 3,620.40-4,996.26-2,048.20

Finding the Fourth Proportional to 3,620.40, 4,996.26 and 2,048.20

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Solution

The fourth proportional to 3,620.40, 4,996.26 and 2,048.20 is: 2,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.40 : 4,996.26 = 2,048.20 : x
  2. Step 2: Convert to fraction form
    3,620.40/4,996.26 = 2,048.20/x
  3. Step 3: Cross multiply
    3,620.40x = 4,996.26 × 2,048.20
  4. Step 4: Simplify right side
    3,620.40x = 10,233,339.73
  5. Step 5: Solve for x
    x = 10,233,339.73/3,620.40
  6. Step 6: Final answer
    x = 2,826.58

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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.