Home / 1,966.07-2,713.21-1,081.87

Finding the Fourth Proportional to 1,966.07, 2,713.21 and 1,081.87

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Solution

The fourth proportional to 1,966.07, 2,713.21 and 1,081.87 is: 1,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.07 : 2,713.21 = 1,081.87 : x
  2. Step 2: Convert to fraction form
    1,966.07/2,713.21 = 1,081.87/x
  3. Step 3: Cross multiply
    1,966.07x = 2,713.21 × 1,081.87
  4. Step 4: Simplify right side
    1,966.07x = 2,935,331.02
  5. Step 5: Solve for x
    x = 2,935,331.02/1,966.07
  6. Step 6: Final answer
    x = 1,492.99

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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.