Home / 2,892.30-3,991.34-1,565.97

Finding the Fourth Proportional to 2,892.30, 3,991.34 and 1,565.97

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Solution

The fourth proportional to 2,892.30, 3,991.34 and 1,565.97 is: 2,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.30 : 3,991.34 = 1,565.97 : x
  2. Step 2: Convert to fraction form
    2,892.30/3,991.34 = 1,565.97/x
  3. Step 3: Cross multiply
    2,892.30x = 3,991.34 × 1,565.97
  4. Step 4: Simplify right side
    2,892.30x = 6,250,318.70
  5. Step 5: Solve for x
    x = 6,250,318.70/2,892.30
  6. Step 6: Final answer
    x = 2,161.02

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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.