Home / 3,644.30-5,029.08-2,072.45

Finding the Fourth Proportional to 3,644.30, 5,029.08 and 2,072.45

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Solution

The fourth proportional to 3,644.30, 5,029.08 and 2,072.45 is: 2,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.30 : 5,029.08 = 2,072.45 : x
  2. Step 2: Convert to fraction form
    3,644.30/5,029.08 = 2,072.45/x
  3. Step 3: Cross multiply
    3,644.30x = 5,029.08 × 2,072.45
  4. Step 4: Simplify right side
    3,644.30x = 10,422,516.85
  5. Step 5: Solve for x
    x = 10,422,516.85/3,644.30
  6. Step 6: Final answer
    x = 2,859.95

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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.