Home / 3,270.31-4,906.71-1,516.16

Finding the Fourth Proportional to 3,270.31, 4,906.71 and 1,516.16

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Solution

The fourth proportional to 3,270.31, 4,906.71 and 1,516.16 is: 2,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.31 : 4,906.71 = 1,516.16 : x
  2. Step 2: Convert to fraction form
    3,270.31/4,906.71 = 1,516.16/x
  3. Step 3: Cross multiply
    3,270.31x = 4,906.71 × 1,516.16
  4. Step 4: Simplify right side
    3,270.31x = 7,439,357.43
  5. Step 5: Solve for x
    x = 7,439,357.43/3,270.31
  6. Step 6: Final answer
    x = 2,274.82

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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.