Home / 2,960.49-4,086.51-1,966.05

Finding the Fourth Proportional to 2,960.49, 4,086.51 and 1,966.05

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Solution

The fourth proportional to 2,960.49, 4,086.51 and 1,966.05 is: 2,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.49 : 4,086.51 = 1,966.05 : x
  2. Step 2: Convert to fraction form
    2,960.49/4,086.51 = 1,966.05/x
  3. Step 3: Cross multiply
    2,960.49x = 4,086.51 × 1,966.05
  4. Step 4: Simplify right side
    2,960.49x = 8,034,282.99
  5. Step 5: Solve for x
    x = 8,034,282.99/2,960.49
  6. Step 6: Final answer
    x = 2,713.84

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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.