Home / 3,310.72-4,966.92-1,555.38

Finding the Fourth Proportional to 3,310.72, 4,966.92 and 1,555.38

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Solution

The fourth proportional to 3,310.72, 4,966.92 and 1,555.38 is: 2,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.72 : 4,966.92 = 1,555.38 : x
  2. Step 2: Convert to fraction form
    3,310.72/4,966.92 = 1,555.38/x
  3. Step 3: Cross multiply
    3,310.72x = 4,966.92 × 1,555.38
  4. Step 4: Simplify right side
    3,310.72x = 7,725,448.03
  5. Step 5: Solve for x
    x = 7,725,448.03/3,310.72
  6. Step 6: Final answer
    x = 2,333.47

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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.