Home / 3,326.19-4,976.91-2,087.80

Finding the Fourth Proportional to 3,326.19, 4,976.91 and 2,087.80

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Solution

The fourth proportional to 3,326.19, 4,976.91 and 2,087.80 is: 3,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.19 : 4,976.91 = 2,087.80 : x
  2. Step 2: Convert to fraction form
    3,326.19/4,976.91 = 2,087.80/x
  3. Step 3: Cross multiply
    3,326.19x = 4,976.91 × 2,087.80
  4. Step 4: Simplify right side
    3,326.19x = 10,390,792.70
  5. Step 5: Solve for x
    x = 10,390,792.70/3,326.19
  6. Step 6: Final answer
    x = 3,123.93

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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.