Home / 1,414.26-2,118.64-1,088.04

Finding the Fourth Proportional to 1,414.26, 2,118.64 and 1,088.04

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Solution

The fourth proportional to 1,414.26, 2,118.64 and 1,088.04 is: 1,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.26 : 2,118.64 = 1,088.04 : x
  2. Step 2: Convert to fraction form
    1,414.26/2,118.64 = 1,088.04/x
  3. Step 3: Cross multiply
    1,414.26x = 2,118.64 × 1,088.04
  4. Step 4: Simplify right side
    1,414.26x = 2,305,165.07
  5. Step 5: Solve for x
    x = 2,305,165.07/1,414.26
  6. Step 6: Final answer
    x = 1,629.94

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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.