Home / 3,020.66-4,167.80-1,760.96

Finding the Fourth Proportional to 3,020.66, 4,167.80 and 1,760.96

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Solution

The fourth proportional to 3,020.66, 4,167.80 and 1,760.96 is: 2,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.66 : 4,167.80 = 1,760.96 : x
  2. Step 2: Convert to fraction form
    3,020.66/4,167.80 = 1,760.96/x
  3. Step 3: Cross multiply
    3,020.66x = 4,167.80 × 1,760.96
  4. Step 4: Simplify right side
    3,020.66x = 7,339,329.09
  5. Step 5: Solve for x
    x = 7,339,329.09/3,020.66
  6. Step 6: Final answer
    x = 2,429.71

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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.