Home / 3,126.96-4,686.60-1,825.68

Finding the Fourth Proportional to 3,126.96, 4,686.60 and 1,825.68

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Solution

The fourth proportional to 3,126.96, 4,686.60 and 1,825.68 is: 2,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.96 : 4,686.60 = 1,825.68 : x
  2. Step 2: Convert to fraction form
    3,126.96/4,686.60 = 1,825.68/x
  3. Step 3: Cross multiply
    3,126.96x = 4,686.60 × 1,825.68
  4. Step 4: Simplify right side
    3,126.96x = 8,556,231.89
  5. Step 5: Solve for x
    x = 8,556,231.89/3,126.96
  6. Step 6: Final answer
    x = 2,736.28

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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.