Home / 3,356-4,631.30-1,958.48

Finding the Fourth Proportional to 3,356, 4,631.30 and 1,958.48

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Solution

The fourth proportional to 3,356, 4,631.30 and 1,958.48 is: 2,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356 : 4,631.30 = 1,958.48 : x
  2. Step 2: Convert to fraction form
    3,356/4,631.30 = 1,958.48/x
  3. Step 3: Cross multiply
    3,356x = 4,631.30 × 1,958.48
  4. Step 4: Simplify right side
    3,356x = 9,070,308.42
  5. Step 5: Solve for x
    x = 9,070,308.42/3,356
  6. Step 6: Final answer
    x = 2,702.71

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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.