Home / 3,521.38-5,282.04-1,963.72

Finding the Fourth Proportional to 3,521.38, 5,282.04 and 1,963.72

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Solution

The fourth proportional to 3,521.38, 5,282.04 and 1,963.72 is: 2,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.38 : 5,282.04 = 1,963.72 : x
  2. Step 2: Convert to fraction form
    3,521.38/5,282.04 = 1,963.72/x
  3. Step 3: Cross multiply
    3,521.38x = 5,282.04 × 1,963.72
  4. Step 4: Simplify right side
    3,521.38x = 10,372,447.59
  5. Step 5: Solve for x
    x = 10,372,447.59/3,521.38
  6. Step 6: Final answer
    x = 2,945.56

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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.