Home / 2,771.22-4,159.25-1,540.02

Finding the Fourth Proportional to 2,771.22, 4,159.25 and 1,540.02

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Solution

The fourth proportional to 2,771.22, 4,159.25 and 1,540.02 is: 2,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.22 : 4,159.25 = 1,540.02 : x
  2. Step 2: Convert to fraction form
    2,771.22/4,159.25 = 1,540.02/x
  3. Step 3: Cross multiply
    2,771.22x = 4,159.25 × 1,540.02
  4. Step 4: Simplify right side
    2,771.22x = 6,405,307.39
  5. Step 5: Solve for x
    x = 6,405,307.39/2,771.22
  6. Step 6: Final answer
    x = 2,311.37

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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.