Home / 3,525.57-5,287.30-2,211.32

Finding the Fourth Proportional to 3,525.57, 5,287.30 and 2,211.32

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Solution

The fourth proportional to 3,525.57, 5,287.30 and 2,211.32 is: 3,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.57 : 5,287.30 = 2,211.32 : x
  2. Step 2: Convert to fraction form
    3,525.57/5,287.30 = 2,211.32/x
  3. Step 3: Cross multiply
    3,525.57x = 5,287.30 × 2,211.32
  4. Step 4: Simplify right side
    3,525.57x = 11,691,919.93
  5. Step 5: Solve for x
    x = 11,691,919.93/3,525.57
  6. Step 6: Final answer
    x = 3,316.32

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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.