Home / 3,633.38-5,013.46-2,140.75

Finding the Fourth Proportional to 3,633.38, 5,013.46 and 2,140.75

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Solution

The fourth proportional to 3,633.38, 5,013.46 and 2,140.75 is: 2,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.38 : 5,013.46 = 2,140.75 : x
  2. Step 2: Convert to fraction form
    3,633.38/5,013.46 = 2,140.75/x
  3. Step 3: Cross multiply
    3,633.38x = 5,013.46 × 2,140.75
  4. Step 4: Simplify right side
    3,633.38x = 10,732,573.44
  5. Step 5: Solve for x
    x = 10,732,573.44/3,633.38
  6. Step 6: Final answer
    x = 2,953.88

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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.