Home / 2,656.26-3,980.75-2,425.41

Finding the Fourth Proportional to 2,656.26, 3,980.75 and 2,425.41

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Solution

The fourth proportional to 2,656.26, 3,980.75 and 2,425.41 is: 3,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.26 : 3,980.75 = 2,425.41 : x
  2. Step 2: Convert to fraction form
    2,656.26/3,980.75 = 2,425.41/x
  3. Step 3: Cross multiply
    2,656.26x = 3,980.75 × 2,425.41
  4. Step 4: Simplify right side
    2,656.26x = 9,654,938.73
  5. Step 5: Solve for x
    x = 9,654,938.73/2,656.26
  6. Step 6: Final answer
    x = 3,634.79

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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.