Home / 2,031.94-3,042.97-1,207.71

Finding the Fourth Proportional to 2,031.94, 3,042.97 and 1,207.71

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Solution

The fourth proportional to 2,031.94, 3,042.97 and 1,207.71 is: 1,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.94 : 3,042.97 = 1,207.71 : x
  2. Step 2: Convert to fraction form
    2,031.94/3,042.97 = 1,207.71/x
  3. Step 3: Cross multiply
    2,031.94x = 3,042.97 × 1,207.71
  4. Step 4: Simplify right side
    2,031.94x = 3,675,022.28
  5. Step 5: Solve for x
    x = 3,675,022.28/2,031.94
  6. Step 6: Final answer
    x = 1,808.63

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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.