Home / 3,910.24-5,865.36-1,962

Finding the Fourth Proportional to 3,910.24, 5,865.36 and 1,962

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Solution

The fourth proportional to 3,910.24, 5,865.36 and 1,962 is: 2,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.24 : 5,865.36 = 1,962 : x
  2. Step 2: Convert to fraction form
    3,910.24/5,865.36 = 1,962/x
  3. Step 3: Cross multiply
    3,910.24x = 5,865.36 × 1,962
  4. Step 4: Simplify right side
    3,910.24x = 11,507,836.32
  5. Step 5: Solve for x
    x = 11,507,836.32/3,910.24
  6. Step 6: Final answer
    x = 2,943.00

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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.