Home / 3,271.71-4,516.12-1,945.41

Finding the Fourth Proportional to 3,271.71, 4,516.12 and 1,945.41

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Solution

The fourth proportional to 3,271.71, 4,516.12 and 1,945.41 is: 2,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.71 : 4,516.12 = 1,945.41 : x
  2. Step 2: Convert to fraction form
    3,271.71/4,516.12 = 1,945.41/x
  3. Step 3: Cross multiply
    3,271.71x = 4,516.12 × 1,945.41
  4. Step 4: Simplify right side
    3,271.71x = 8,785,672.70
  5. Step 5: Solve for x
    x = 8,785,672.70/3,271.71
  6. Step 6: Final answer
    x = 2,685.35

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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.