Home / 2,661.28-3,996.36-1,662.95

Finding the Fourth Proportional to 2,661.28, 3,996.36 and 1,662.95

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Solution

The fourth proportional to 2,661.28, 3,996.36 and 1,662.95 is: 2,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.28 : 3,996.36 = 1,662.95 : x
  2. Step 2: Convert to fraction form
    2,661.28/3,996.36 = 1,662.95/x
  3. Step 3: Cross multiply
    2,661.28x = 3,996.36 × 1,662.95
  4. Step 4: Simplify right side
    2,661.28x = 6,645,726.88
  5. Step 5: Solve for x
    x = 6,645,726.88/2,661.28
  6. Step 6: Final answer
    x = 2,497.20

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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.