Home / 3,077.73-4,243.89-2,081.30

Finding the Fourth Proportional to 3,077.73, 4,243.89 and 2,081.30

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Solution

The fourth proportional to 3,077.73, 4,243.89 and 2,081.30 is: 2,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.73 : 4,243.89 = 2,081.30 : x
  2. Step 2: Convert to fraction form
    3,077.73/4,243.89 = 2,081.30/x
  3. Step 3: Cross multiply
    3,077.73x = 4,243.89 × 2,081.30
  4. Step 4: Simplify right side
    3,077.73x = 8,832,794.84
  5. Step 5: Solve for x
    x = 8,832,794.84/3,077.73
  6. Step 6: Final answer
    x = 2,869.91

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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.