Home / 2,892.24-3,991.08-1,962

Finding the Fourth Proportional to 2,892.24, 3,991.08 and 1,962

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Solution

The fourth proportional to 2,892.24, 3,991.08 and 1,962 is: 2,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.24 : 3,991.08 = 1,962 : x
  2. Step 2: Convert to fraction form
    2,892.24/3,991.08 = 1,962/x
  3. Step 3: Cross multiply
    2,892.24x = 3,991.08 × 1,962
  4. Step 4: Simplify right side
    2,892.24x = 7,830,498.96
  5. Step 5: Solve for x
    x = 7,830,498.96/2,892.24
  6. Step 6: Final answer
    x = 2,707.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.