Home / 3,177.39-4,755.05-2,814.51

Finding the Fourth Proportional to 3,177.39, 4,755.05 and 2,814.51

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Solution

The fourth proportional to 3,177.39, 4,755.05 and 2,814.51 is: 4,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.39 : 4,755.05 = 2,814.51 : x
  2. Step 2: Convert to fraction form
    3,177.39/4,755.05 = 2,814.51/x
  3. Step 3: Cross multiply
    3,177.39x = 4,755.05 × 2,814.51
  4. Step 4: Simplify right side
    3,177.39x = 13,383,121.70
  5. Step 5: Solve for x
    x = 13,383,121.70/3,177.39
  6. Step 6: Final answer
    x = 4,211.99

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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.