Home / 3,081.98-4,253.13-1,684.73

Finding the Fourth Proportional to 3,081.98, 4,253.13 and 1,684.73

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Solution

The fourth proportional to 3,081.98, 4,253.13 and 1,684.73 is: 2,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.98 : 4,253.13 = 1,684.73 : x
  2. Step 2: Convert to fraction form
    3,081.98/4,253.13 = 1,684.73/x
  3. Step 3: Cross multiply
    3,081.98x = 4,253.13 × 1,684.73
  4. Step 4: Simplify right side
    3,081.98x = 7,165,356.65
  5. Step 5: Solve for x
    x = 7,165,356.65/3,081.98
  6. Step 6: Final answer
    x = 2,324.92

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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.