Home / 2,922.22-4,383.37-1,631.90

Finding the Fourth Proportional to 2,922.22, 4,383.37 and 1,631.90

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Solution

The fourth proportional to 2,922.22, 4,383.37 and 1,631.90 is: 2,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.22 : 4,383.37 = 1,631.90 : x
  2. Step 2: Convert to fraction form
    2,922.22/4,383.37 = 1,631.90/x
  3. Step 3: Cross multiply
    2,922.22x = 4,383.37 × 1,631.90
  4. Step 4: Simplify right side
    2,922.22x = 7,153,221.50
  5. Step 5: Solve for x
    x = 7,153,221.50/2,922.22
  6. Step 6: Final answer
    x = 2,447.87

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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.