Home / 3,086.94-4,256.52-1,966.08

Finding the Fourth Proportional to 3,086.94, 4,256.52 and 1,966.08

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Solution

The fourth proportional to 3,086.94, 4,256.52 and 1,966.08 is: 2,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.94 : 4,256.52 = 1,966.08 : x
  2. Step 2: Convert to fraction form
    3,086.94/4,256.52 = 1,966.08/x
  3. Step 3: Cross multiply
    3,086.94x = 4,256.52 × 1,966.08
  4. Step 4: Simplify right side
    3,086.94x = 8,368,658.84
  5. Step 5: Solve for x
    x = 8,368,658.84/3,086.94
  6. Step 6: Final answer
    x = 2,710.99

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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.