Home / 3,326.63-4,591.35-1,929.38

Finding the Fourth Proportional to 3,326.63, 4,591.35 and 1,929.38

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Solution

The fourth proportional to 3,326.63, 4,591.35 and 1,929.38 is: 2,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.63 : 4,591.35 = 1,929.38 : x
  2. Step 2: Convert to fraction form
    3,326.63/4,591.35 = 1,929.38/x
  3. Step 3: Cross multiply
    3,326.63x = 4,591.35 × 1,929.38
  4. Step 4: Simplify right side
    3,326.63x = 8,858,435.91
  5. Step 5: Solve for x
    x = 8,858,435.91/3,326.63
  6. Step 6: Final answer
    x = 2,662.89

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1.5x scale

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.