Home / 1,976.19-2,727-1,091.99

Finding the Fourth Proportional to 1,976.19, 2,727 and 1,091.99

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Solution

The fourth proportional to 1,976.19, 2,727 and 1,091.99 is: 1,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.19 : 2,727 = 1,091.99 : x
  2. Step 2: Convert to fraction form
    1,976.19/2,727 = 1,091.99/x
  3. Step 3: Cross multiply
    1,976.19x = 2,727 × 1,091.99
  4. Step 4: Simplify right side
    1,976.19x = 2,977,856.73
  5. Step 5: Solve for x
    x = 2,977,856.73/1,976.19
  6. Step 6: Final answer
    x = 1,506.87

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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.