Home / 1,022.44-1,532.38-805.16

Finding the Fourth Proportional to 1,022.44, 1,532.38 and 805.16

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Solution

The fourth proportional to 1,022.44, 1,532.38 and 805.16 is: 1,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.44 : 1,532.38 = 805.16 : x
  2. Step 2: Convert to fraction form
    1,022.44/1,532.38 = 805.16/x
  3. Step 3: Cross multiply
    1,022.44x = 1,532.38 × 805.16
  4. Step 4: Simplify right side
    1,022.44x = 1,233,811.08
  5. Step 5: Solve for x
    x = 1,233,811.08/1,022.44
  6. Step 6: Final answer
    x = 1,206.73

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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.