Home / 1,966.07-2,713.21-1,081.96

Finding the Fourth Proportional to 1,966.07, 2,713.21 and 1,081.96

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Solution

The fourth proportional to 1,966.07, 2,713.21 and 1,081.96 is: 1,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.07 : 2,713.21 = 1,081.96 : x
  2. Step 2: Convert to fraction form
    1,966.07/2,713.21 = 1,081.96/x
  3. Step 3: Cross multiply
    1,966.07x = 2,713.21 × 1,081.96
  4. Step 4: Simplify right side
    1,966.07x = 2,935,581.29
  5. Step 5: Solve for x
    x = 2,935,581.29/1,966.07
  6. Step 6: Final answer
    x = 1,493.12

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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.