Home / 3,865.14-5,796.96-1,782.90

Finding the Fourth Proportional to 3,865.14, 5,796.96 and 1,782.90

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Solution

The fourth proportional to 3,865.14, 5,796.96 and 1,782.90 is: 2,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.14 : 5,796.96 = 1,782.90 : x
  2. Step 2: Convert to fraction form
    3,865.14/5,796.96 = 1,782.90/x
  3. Step 3: Cross multiply
    3,865.14x = 5,796.96 × 1,782.90
  4. Step 4: Simplify right side
    3,865.14x = 10,335,399.98
  5. Step 5: Solve for x
    x = 10,335,399.98/3,865.14
  6. Step 6: Final answer
    x = 2,674.00

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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.