Home / 3,151.73-4,728.05-1,177.19

Finding the Fourth Proportional to 3,151.73, 4,728.05 and 1,177.19

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Solution

The fourth proportional to 3,151.73, 4,728.05 and 1,177.19 is: 1,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.73 : 4,728.05 = 1,177.19 : x
  2. Step 2: Convert to fraction form
    3,151.73/4,728.05 = 1,177.19/x
  3. Step 3: Cross multiply
    3,151.73x = 4,728.05 × 1,177.19
  4. Step 4: Simplify right side
    3,151.73x = 5,565,783.65
  5. Step 5: Solve for x
    x = 5,565,783.65/3,151.73
  6. Step 6: Final answer
    x = 1,765.95

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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.