Home / 1,244.43-1,717.20-1,155.06

Finding the Fourth Proportional to 1,244.43, 1,717.20 and 1,155.06

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Solution

The fourth proportional to 1,244.43, 1,717.20 and 1,155.06 is: 1,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.43 : 1,717.20 = 1,155.06 : x
  2. Step 2: Convert to fraction form
    1,244.43/1,717.20 = 1,155.06/x
  3. Step 3: Cross multiply
    1,244.43x = 1,717.20 × 1,155.06
  4. Step 4: Simplify right side
    1,244.43x = 1,983,469.03
  5. Step 5: Solve for x
    x = 1,983,469.03/1,244.43
  6. Step 6: Final answer
    x = 1,593.88

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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.