Home / 3,107.22-4,661.37-2,784.30

Finding the Fourth Proportional to 3,107.22, 4,661.37 and 2,784.30

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Solution

The fourth proportional to 3,107.22, 4,661.37 and 2,784.30 is: 4,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.22 : 4,661.37 = 2,784.30 : x
  2. Step 2: Convert to fraction form
    3,107.22/4,661.37 = 2,784.30/x
  3. Step 3: Cross multiply
    3,107.22x = 4,661.37 × 2,784.30
  4. Step 4: Simplify right side
    3,107.22x = 12,978,652.49
  5. Step 5: Solve for x
    x = 12,978,652.49/3,107.22
  6. Step 6: Final answer
    x = 4,176.93

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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.