Home / 3,141.08-4,335.03-2,007.79

Finding the Fourth Proportional to 3,141.08, 4,335.03 and 2,007.79

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Solution

The fourth proportional to 3,141.08, 4,335.03 and 2,007.79 is: 2,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.08 : 4,335.03 = 2,007.79 : x
  2. Step 2: Convert to fraction form
    3,141.08/4,335.03 = 2,007.79/x
  3. Step 3: Cross multiply
    3,141.08x = 4,335.03 × 2,007.79
  4. Step 4: Simplify right side
    3,141.08x = 8,703,829.88
  5. Step 5: Solve for x
    x = 8,703,829.88/3,141.08
  6. Step 6: Final answer
    x = 2,770.97

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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.