Home / 4,098.44-5,655.79-2,305.78

Finding the Fourth Proportional to 4,098.44, 5,655.79 and 2,305.78

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Solution

The fourth proportional to 4,098.44, 5,655.79 and 2,305.78 is: 3,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.44 : 5,655.79 = 2,305.78 : x
  2. Step 2: Convert to fraction form
    4,098.44/5,655.79 = 2,305.78/x
  3. Step 3: Cross multiply
    4,098.44x = 5,655.79 × 2,305.78
  4. Step 4: Simplify right side
    4,098.44x = 13,040,995.94
  5. Step 5: Solve for x
    x = 13,040,995.94/4,098.44
  6. Step 6: Final answer
    x = 3,181.95

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1.5x scale

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.