Home / 2,820.26-4,231.60-1,522.64

Finding the Fourth Proportional to 2,820.26, 4,231.60 and 1,522.64

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Solution

The fourth proportional to 2,820.26, 4,231.60 and 1,522.64 is: 2,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.26 : 4,231.60 = 1,522.64 : x
  2. Step 2: Convert to fraction form
    2,820.26/4,231.60 = 1,522.64/x
  3. Step 3: Cross multiply
    2,820.26x = 4,231.60 × 1,522.64
  4. Step 4: Simplify right side
    2,820.26x = 6,443,203.42
  5. Step 5: Solve for x
    x = 6,443,203.42/2,820.26
  6. Step 6: Final answer
    x = 2,284.61

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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.