Home / 3,644.79-5,029.25-2,072.85

Finding the Fourth Proportional to 3,644.79, 5,029.25 and 2,072.85

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Solution

The fourth proportional to 3,644.79, 5,029.25 and 2,072.85 is: 2,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.79 : 5,029.25 = 2,072.85 : x
  2. Step 2: Convert to fraction form
    3,644.79/5,029.25 = 2,072.85/x
  3. Step 3: Cross multiply
    3,644.79x = 5,029.25 × 2,072.85
  4. Step 4: Simplify right side
    3,644.79x = 10,424,880.86
  5. Step 5: Solve for x
    x = 10,424,880.86/3,644.79
  6. Step 6: Final answer
    x = 2,860.21

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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.