Home / 3,183.02-4,392.35-1,766.66

Finding the Fourth Proportional to 3,183.02, 4,392.35 and 1,766.66

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Solution

The fourth proportional to 3,183.02, 4,392.35 and 1,766.66 is: 2,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.02 : 4,392.35 = 1,766.66 : x
  2. Step 2: Convert to fraction form
    3,183.02/4,392.35 = 1,766.66/x
  3. Step 3: Cross multiply
    3,183.02x = 4,392.35 × 1,766.66
  4. Step 4: Simplify right side
    3,183.02x = 7,759,764.88
  5. Step 5: Solve for x
    x = 7,759,764.88/3,183.02
  6. Step 6: Final answer
    x = 2,437.86

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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.