Home / 1,246.92-1,879.62-1,176.18

Finding the Fourth Proportional to 1,246.92, 1,879.62 and 1,176.18

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Solution

The fourth proportional to 1,246.92, 1,879.62 and 1,176.18 is: 1,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.92 : 1,879.62 = 1,176.18 : x
  2. Step 2: Convert to fraction form
    1,246.92/1,879.62 = 1,176.18/x
  3. Step 3: Cross multiply
    1,246.92x = 1,879.62 × 1,176.18
  4. Step 4: Simplify right side
    1,246.92x = 2,210,771.45
  5. Step 5: Solve for x
    x = 2,210,771.45/1,246.92
  6. Step 6: Final answer
    x = 1,772.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.