Home / 3,771.98-5,204.52-2,279.60

Finding the Fourth Proportional to 3,771.98, 5,204.52 and 2,279.60

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Solution

The fourth proportional to 3,771.98, 5,204.52 and 2,279.60 is: 3,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.98 : 5,204.52 = 2,279.60 : x
  2. Step 2: Convert to fraction form
    3,771.98/5,204.52 = 2,279.60/x
  3. Step 3: Cross multiply
    3,771.98x = 5,204.52 × 2,279.60
  4. Step 4: Simplify right side
    3,771.98x = 11,864,197.77
  5. Step 5: Solve for x
    x = 11,864,197.77/3,771.98
  6. Step 6: Final answer
    x = 3,145.35

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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.