Home / 1,366.29-2,049.66-441.57

Finding the Fourth Proportional to 1,366.29, 2,049.66 and 441.57

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Solution

The fourth proportional to 1,366.29, 2,049.66 and 441.57 is: 662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.29 : 2,049.66 = 441.57 : x
  2. Step 2: Convert to fraction form
    1,366.29/2,049.66 = 441.57/x
  3. Step 3: Cross multiply
    1,366.29x = 2,049.66 × 441.57
  4. Step 4: Simplify right side
    1,366.29x = 905,068.37
  5. Step 5: Solve for x
    x = 905,068.37/1,366.29
  6. Step 6: Final answer
    x = 662.43

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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.