Home / 1,216.37-1,824.14-394.44

Finding the Fourth Proportional to 1,216.37, 1,824.14 and 394.44

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Solution

The fourth proportional to 1,216.37, 1,824.14 and 394.44 is: 591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.37 : 1,824.14 = 394.44 : x
  2. Step 2: Convert to fraction form
    1,216.37/1,824.14 = 394.44/x
  3. Step 3: Cross multiply
    1,216.37x = 1,824.14 × 394.44
  4. Step 4: Simplify right side
    1,216.37x = 719,505.71
  5. Step 5: Solve for x
    x = 719,505.71/1,216.37
  6. Step 6: Final answer
    x = 591.52

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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.