Home / 3,278.28-4,916.21-1,197.66

Finding the Fourth Proportional to 3,278.28, 4,916.21 and 1,197.66

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Solution

The fourth proportional to 3,278.28, 4,916.21 and 1,197.66 is: 1,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.28 : 4,916.21 = 1,197.66 : x
  2. Step 2: Convert to fraction form
    3,278.28/4,916.21 = 1,197.66/x
  3. Step 3: Cross multiply
    3,278.28x = 4,916.21 × 1,197.66
  4. Step 4: Simplify right side
    3,278.28x = 5,887,965.01
  5. Step 5: Solve for x
    x = 5,887,965.01/3,278.28
  6. Step 6: Final answer
    x = 1,796.06

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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.