Home / 3,519.12-5,286.36-2,152.08

Finding the Fourth Proportional to 3,519.12, 5,286.36 and 2,152.08

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Solution

The fourth proportional to 3,519.12, 5,286.36 and 2,152.08 is: 3,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.12 : 5,286.36 = 2,152.08 : x
  2. Step 2: Convert to fraction form
    3,519.12/5,286.36 = 2,152.08/x
  3. Step 3: Cross multiply
    3,519.12x = 5,286.36 × 2,152.08
  4. Step 4: Simplify right side
    3,519.12x = 11,376,669.63
  5. Step 5: Solve for x
    x = 11,376,669.63/3,519.12
  6. Step 6: Final answer
    x = 3,232.82

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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.