Home / 1,231.15-1,846.73-1,177.83

Finding the Fourth Proportional to 1,231.15, 1,846.73 and 1,177.83

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Solution

The fourth proportional to 1,231.15, 1,846.73 and 1,177.83 is: 1,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.15 : 1,846.73 = 1,177.83 : x
  2. Step 2: Convert to fraction form
    1,231.15/1,846.73 = 1,177.83/x
  3. Step 3: Cross multiply
    1,231.15x = 1,846.73 × 1,177.83
  4. Step 4: Simplify right side
    1,231.15x = 2,175,118.87
  5. Step 5: Solve for x
    x = 2,175,118.87/1,231.15
  6. Step 6: Final answer
    x = 1,766.74

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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.