Home / 2,622.75-3,619.07-1,773.86

Finding the Fourth Proportional to 2,622.75, 3,619.07 and 1,773.86

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Solution

The fourth proportional to 2,622.75, 3,619.07 and 1,773.86 is: 2,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.75 : 3,619.07 = 1,773.86 : x
  2. Step 2: Convert to fraction form
    2,622.75/3,619.07 = 1,773.86/x
  3. Step 3: Cross multiply
    2,622.75x = 3,619.07 × 1,773.86
  4. Step 4: Simplify right side
    2,622.75x = 6,419,703.20
  5. Step 5: Solve for x
    x = 6,419,703.20/2,622.75
  6. Step 6: Final answer
    x = 2,447.70

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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.