Home / 3,181.15-4,387.80-2,238.94

Finding the Fourth Proportional to 3,181.15, 4,387.80 and 2,238.94

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Solution

The fourth proportional to 3,181.15, 4,387.80 and 2,238.94 is: 3,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.15 : 4,387.80 = 2,238.94 : x
  2. Step 2: Convert to fraction form
    3,181.15/4,387.80 = 2,238.94/x
  3. Step 3: Cross multiply
    3,181.15x = 4,387.80 × 2,238.94
  4. Step 4: Simplify right side
    3,181.15x = 9,824,020.93
  5. Step 5: Solve for x
    x = 9,824,020.93/3,181.15
  6. Step 6: Final answer
    x = 3,088.20

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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.