Home / 1,951.29-2,694.06-1,206.34

Finding the Fourth Proportional to 1,951.29, 2,694.06 and 1,206.34

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Solution

The fourth proportional to 1,951.29, 2,694.06 and 1,206.34 is: 1,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.29 : 2,694.06 = 1,206.34 : x
  2. Step 2: Convert to fraction form
    1,951.29/2,694.06 = 1,206.34/x
  3. Step 3: Cross multiply
    1,951.29x = 2,694.06 × 1,206.34
  4. Step 4: Simplify right side
    1,951.29x = 3,249,960.76
  5. Step 5: Solve for x
    x = 3,249,960.76/1,951.29
  6. Step 6: Final answer
    x = 1,665.54

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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.