Home / 3,190.97-4,782.01-1,784.11

Finding the Fourth Proportional to 3,190.97, 4,782.01 and 1,784.11

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Solution

The fourth proportional to 3,190.97, 4,782.01 and 1,784.11 is: 2,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.97 : 4,782.01 = 1,784.11 : x
  2. Step 2: Convert to fraction form
    3,190.97/4,782.01 = 1,784.11/x
  3. Step 3: Cross multiply
    3,190.97x = 4,782.01 × 1,784.11
  4. Step 4: Simplify right side
    3,190.97x = 8,531,652.95
  5. Step 5: Solve for x
    x = 8,531,652.95/3,190.97
  6. Step 6: Final answer
    x = 2,673.69

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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.