Home / 3,576.56-4,935.92-2,160.60

Finding the Fourth Proportional to 3,576.56, 4,935.92 and 2,160.60

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Solution

The fourth proportional to 3,576.56, 4,935.92 and 2,160.60 is: 2,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.56 : 4,935.92 = 2,160.60 : x
  2. Step 2: Convert to fraction form
    3,576.56/4,935.92 = 2,160.60/x
  3. Step 3: Cross multiply
    3,576.56x = 4,935.92 × 2,160.60
  4. Step 4: Simplify right side
    3,576.56x = 10,664,548.75
  5. Step 5: Solve for x
    x = 10,664,548.75/3,576.56
  6. Step 6: Final answer
    x = 2,981.79

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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.