Home / 3,847.26-5,765.31-2,090.78

Finding the Fourth Proportional to 3,847.26, 5,765.31 and 2,090.78

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Solution

The fourth proportional to 3,847.26, 5,765.31 and 2,090.78 is: 3,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.26 : 5,765.31 = 2,090.78 : x
  2. Step 2: Convert to fraction form
    3,847.26/5,765.31 = 2,090.78/x
  3. Step 3: Cross multiply
    3,847.26x = 5,765.31 × 2,090.78
  4. Step 4: Simplify right side
    3,847.26x = 12,053,966.02
  5. Step 5: Solve for x
    x = 12,053,966.02/3,847.26
  6. Step 6: Final answer
    x = 3,133.13

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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.