Home / 2,789.22-4,185.86-2,247.93

Finding the Fourth Proportional to 2,789.22, 4,185.86 and 2,247.93

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Solution

The fourth proportional to 2,789.22, 4,185.86 and 2,247.93 is: 3,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.22 : 4,185.86 = 2,247.93 : x
  2. Step 2: Convert to fraction form
    2,789.22/4,185.86 = 2,247.93/x
  3. Step 3: Cross multiply
    2,789.22x = 4,185.86 × 2,247.93
  4. Step 4: Simplify right side
    2,789.22x = 9,409,509.03
  5. Step 5: Solve for x
    x = 9,409,509.03/2,789.22
  6. Step 6: Final answer
    x = 3,373.53

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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.