Home / 2,216.42-3,049.52-2,161.76

Finding the Fourth Proportional to 2,216.42, 3,049.52 and 2,161.76

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Solution

The fourth proportional to 2,216.42, 3,049.52 and 2,161.76 is: 2,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.42 : 3,049.52 = 2,161.76 : x
  2. Step 2: Convert to fraction form
    2,216.42/3,049.52 = 2,161.76/x
  3. Step 3: Cross multiply
    2,216.42x = 3,049.52 × 2,161.76
  4. Step 4: Simplify right side
    2,216.42x = 6,592,330.36
  5. Step 5: Solve for x
    x = 6,592,330.36/2,216.42
  6. Step 6: Final answer
    x = 2,974.31

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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.