Home / 3,519.12-4,857.18-2,027.31

Finding the Fourth Proportional to 3,519.12, 4,857.18 and 2,027.31

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Solution

The fourth proportional to 3,519.12, 4,857.18 and 2,027.31 is: 2,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.12 : 4,857.18 = 2,027.31 : x
  2. Step 2: Convert to fraction form
    3,519.12/4,857.18 = 2,027.31/x
  3. Step 3: Cross multiply
    3,519.12x = 4,857.18 × 2,027.31
  4. Step 4: Simplify right side
    3,519.12x = 9,847,009.59
  5. Step 5: Solve for x
    x = 9,847,009.59/3,519.12
  6. Step 6: Final answer
    x = 2,798.15

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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.