Home / 3,633.75-5,013.95-2,141.55

Finding the Fourth Proportional to 3,633.75, 5,013.95 and 2,141.55

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Solution

The fourth proportional to 3,633.75, 5,013.95 and 2,141.55 is: 2,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.75 : 5,013.95 = 2,141.55 : x
  2. Step 2: Convert to fraction form
    3,633.75/5,013.95 = 2,141.55/x
  3. Step 3: Cross multiply
    3,633.75x = 5,013.95 × 2,141.55
  4. Step 4: Simplify right side
    3,633.75x = 10,737,613.91
  5. Step 5: Solve for x
    x = 10,737,613.91/3,633.75
  6. Step 6: Final answer
    x = 2,954.97

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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.