Home / 1,614.45-2,231.49-1,175.43

Finding the Fourth Proportional to 1,614.45, 2,231.49 and 1,175.43

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Solution

The fourth proportional to 1,614.45, 2,231.49 and 1,175.43 is: 1,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.45 : 2,231.49 = 1,175.43 : x
  2. Step 2: Convert to fraction form
    1,614.45/2,231.49 = 1,175.43/x
  3. Step 3: Cross multiply
    1,614.45x = 2,231.49 × 1,175.43
  4. Step 4: Simplify right side
    1,614.45x = 2,622,949.13
  5. Step 5: Solve for x
    x = 2,622,949.13/1,614.45
  6. Step 6: Final answer
    x = 1,624.68

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1.5x scale

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.