Home / 2,216.56-3,324.30-1,490.53

Finding the Fourth Proportional to 2,216.56, 3,324.30 and 1,490.53

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Solution

The fourth proportional to 2,216.56, 3,324.30 and 1,490.53 is: 2,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.56 : 3,324.30 = 1,490.53 : x
  2. Step 2: Convert to fraction form
    2,216.56/3,324.30 = 1,490.53/x
  3. Step 3: Cross multiply
    2,216.56x = 3,324.30 × 1,490.53
  4. Step 4: Simplify right side
    2,216.56x = 4,954,968.88
  5. Step 5: Solve for x
    x = 4,954,968.88/2,216.56
  6. Step 6: Final answer
    x = 2,235.43

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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.