Home / 3,201.30-4,418.28-2,316.78

Finding the Fourth Proportional to 3,201.30, 4,418.28 and 2,316.78

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Solution

The fourth proportional to 3,201.30, 4,418.28 and 2,316.78 is: 3,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.30 : 4,418.28 = 2,316.78 : x
  2. Step 2: Convert to fraction form
    3,201.30/4,418.28 = 2,316.78/x
  3. Step 3: Cross multiply
    3,201.30x = 4,418.28 × 2,316.78
  4. Step 4: Simplify right side
    3,201.30x = 10,236,182.74
  5. Step 5: Solve for x
    x = 10,236,182.74/3,201.30
  6. Step 6: Final answer
    x = 3,197.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.