Home / 2,836.66-3,914.84-1,658.11

Finding the Fourth Proportional to 2,836.66, 3,914.84 and 1,658.11

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Solution

The fourth proportional to 2,836.66, 3,914.84 and 1,658.11 is: 2,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.66 : 3,914.84 = 1,658.11 : x
  2. Step 2: Convert to fraction form
    2,836.66/3,914.84 = 1,658.11/x
  3. Step 3: Cross multiply
    2,836.66x = 3,914.84 × 1,658.11
  4. Step 4: Simplify right side
    2,836.66x = 6,491,235.35
  5. Step 5: Solve for x
    x = 6,491,235.35/2,836.66
  6. Step 6: Final answer
    x = 2,288.34

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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.