Home / 1,216.09-1,824.45-436.27

Finding the Fourth Proportional to 1,216.09, 1,824.45 and 436.27

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Solution

The fourth proportional to 1,216.09, 1,824.45 and 436.27 is: 654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.09 : 1,824.45 = 436.27 : x
  2. Step 2: Convert to fraction form
    1,216.09/1,824.45 = 436.27/x
  3. Step 3: Cross multiply
    1,216.09x = 1,824.45 × 436.27
  4. Step 4: Simplify right side
    1,216.09x = 795,952.80
  5. Step 5: Solve for x
    x = 795,952.80/1,216.09
  6. Step 6: Final answer
    x = 654.52

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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.