Home / 1,169.24-1,614.28-810.97

Finding the Fourth Proportional to 1,169.24, 1,614.28 and 810.97

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Solution

The fourth proportional to 1,169.24, 1,614.28 and 810.97 is: 1,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.24 : 1,614.28 = 810.97 : x
  2. Step 2: Convert to fraction form
    1,169.24/1,614.28 = 810.97/x
  3. Step 3: Cross multiply
    1,169.24x = 1,614.28 × 810.97
  4. Step 4: Simplify right side
    1,169.24x = 1,309,126.59
  5. Step 5: Solve for x
    x = 1,309,126.59/1,169.24
  6. Step 6: Final answer
    x = 1,119.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.