Home / 2,216.47-3,321.87-1,176.97

Finding the Fourth Proportional to 2,216.47, 3,321.87 and 1,176.97

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Solution

The fourth proportional to 2,216.47, 3,321.87 and 1,176.97 is: 1,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.47 : 3,321.87 = 1,176.97 : x
  2. Step 2: Convert to fraction form
    2,216.47/3,321.87 = 1,176.97/x
  3. Step 3: Cross multiply
    2,216.47x = 3,321.87 × 1,176.97
  4. Step 4: Simplify right side
    2,216.47x = 3,909,729.01
  5. Step 5: Solve for x
    x = 3,909,729.01/2,216.47
  6. Step 6: Final answer
    x = 1,763.95

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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.