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Finding the Fourth Proportional to 3,576.17, 4,938.14 and 3,392.71

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Solution

The fourth proportional to 3,576.17, 4,938.14 and 3,392.71 is: 4,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.17 : 4,938.14 = 3,392.71 : x
  2. Step 2: Convert to fraction form
    3,576.17/4,938.14 = 3,392.71/x
  3. Step 3: Cross multiply
    3,576.17x = 4,938.14 × 3,392.71
  4. Step 4: Simplify right side
    3,576.17x = 16,753,673.10
  5. Step 5: Solve for x
    x = 16,753,673.10/3,576.17
  6. Step 6: Final answer
    x = 4,684.81

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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.