Home / 2,620.32-3,613.48-1,771.44

Finding the Fourth Proportional to 2,620.32, 3,613.48 and 1,771.44

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Solution

The fourth proportional to 2,620.32, 3,613.48 and 1,771.44 is: 2,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.32 : 3,613.48 = 1,771.44 : x
  2. Step 2: Convert to fraction form
    2,620.32/3,613.48 = 1,771.44/x
  3. Step 3: Cross multiply
    2,620.32x = 3,613.48 × 1,771.44
  4. Step 4: Simplify right side
    2,620.32x = 6,401,063.01
  5. Step 5: Solve for x
    x = 6,401,063.01/2,620.32
  6. Step 6: Final answer
    x = 2,442.86

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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.