Home / 3,277.20-4,915.68-2,030.64

Finding the Fourth Proportional to 3,277.20, 4,915.68 and 2,030.64

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Solution

The fourth proportional to 3,277.20, 4,915.68 and 2,030.64 is: 3,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.20 : 4,915.68 = 2,030.64 : x
  2. Step 2: Convert to fraction form
    3,277.20/4,915.68 = 2,030.64/x
  3. Step 3: Cross multiply
    3,277.20x = 4,915.68 × 2,030.64
  4. Step 4: Simplify right side
    3,277.20x = 9,981,976.44
  5. Step 5: Solve for x
    x = 9,981,976.44/3,277.20
  6. Step 6: Final answer
    x = 3,045.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.