Home / 3,519.55-4,857.15-2,027.70

Finding the Fourth Proportional to 3,519.55, 4,857.15 and 2,027.70

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Solution

The fourth proportional to 3,519.55, 4,857.15 and 2,027.70 is: 2,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.55 : 4,857.15 = 2,027.70 : x
  2. Step 2: Convert to fraction form
    3,519.55/4,857.15 = 2,027.70/x
  3. Step 3: Cross multiply
    3,519.55x = 4,857.15 × 2,027.70
  4. Step 4: Simplify right side
    3,519.55x = 9,848,843.06
  5. Step 5: Solve for x
    x = 9,848,843.06/3,519.55
  6. Step 6: Final answer
    x = 2,798.32

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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.