Home / 1,966.05-2,713.08-1,081.83

Finding the Fourth Proportional to 1,966.05, 2,713.08 and 1,081.83

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Solution

The fourth proportional to 1,966.05, 2,713.08 and 1,081.83 is: 1,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.05 : 2,713.08 = 1,081.83 : x
  2. Step 2: Convert to fraction form
    1,966.05/2,713.08 = 1,081.83/x
  3. Step 3: Cross multiply
    1,966.05x = 2,713.08 × 1,081.83
  4. Step 4: Simplify right side
    1,966.05x = 2,935,091.34
  5. Step 5: Solve for x
    x = 2,935,091.34/1,966.05
  6. Step 6: Final answer
    x = 1,492.89

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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.