Home / 2,651.68-3,975.60-1,352.16

Finding the Fourth Proportional to 2,651.68, 3,975.60 and 1,352.16

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Solution

The fourth proportional to 2,651.68, 3,975.60 and 1,352.16 is: 2,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.68 : 3,975.60 = 1,352.16 : x
  2. Step 2: Convert to fraction form
    2,651.68/3,975.60 = 1,352.16/x
  3. Step 3: Cross multiply
    2,651.68x = 3,975.60 × 1,352.16
  4. Step 4: Simplify right side
    2,651.68x = 5,375,647.30
  5. Step 5: Solve for x
    x = 5,375,647.30/2,651.68
  6. Step 6: Final answer
    x = 2,027.26

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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.