Home / 3,310.27-4,966.31-1,555.20

Finding the Fourth Proportional to 3,310.27, 4,966.31 and 1,555.20

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Solution

The fourth proportional to 3,310.27, 4,966.31 and 1,555.20 is: 2,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.27 : 4,966.31 = 1,555.20 : x
  2. Step 2: Convert to fraction form
    3,310.27/4,966.31 = 1,555.20/x
  3. Step 3: Cross multiply
    3,310.27x = 4,966.31 × 1,555.20
  4. Step 4: Simplify right side
    3,310.27x = 7,723,609.20
  5. Step 5: Solve for x
    x = 7,723,609.20/3,310.27
  6. Step 6: Final answer
    x = 2,333.23

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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.