Home / 3,771.72-5,205.15-2,356.25

Finding the Fourth Proportional to 3,771.72, 5,205.15 and 2,356.25

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Solution

The fourth proportional to 3,771.72, 5,205.15 and 2,356.25 is: 3,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.72 : 5,205.15 = 2,356.25 : x
  2. Step 2: Convert to fraction form
    3,771.72/5,205.15 = 2,356.25/x
  3. Step 3: Cross multiply
    3,771.72x = 5,205.15 × 2,356.25
  4. Step 4: Simplify right side
    3,771.72x = 12,264,608.66
  5. Step 5: Solve for x
    x = 12,264,608.66/3,771.72
  6. Step 6: Final answer
    x = 3,251.73

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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.