Home / 3,222.06-4,447.13-1,963.53

Finding the Fourth Proportional to 3,222.06, 4,447.13 and 1,963.53

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Solution

The fourth proportional to 3,222.06, 4,447.13 and 1,963.53 is: 2,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.06 : 4,447.13 = 1,963.53 : x
  2. Step 2: Convert to fraction form
    3,222.06/4,447.13 = 1,963.53/x
  3. Step 3: Cross multiply
    3,222.06x = 4,447.13 × 1,963.53
  4. Step 4: Simplify right side
    3,222.06x = 8,732,078.08
  5. Step 5: Solve for x
    x = 8,732,078.08/3,222.06
  6. Step 6: Final answer
    x = 2,710.09

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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.