Home / 1,183.38-1,622.51-1,098.06

Finding the Fourth Proportional to 1,183.38, 1,622.51 and 1,098.06

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Solution

The fourth proportional to 1,183.38, 1,622.51 and 1,098.06 is: 1,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.38 : 1,622.51 = 1,098.06 : x
  2. Step 2: Convert to fraction form
    1,183.38/1,622.51 = 1,098.06/x
  3. Step 3: Cross multiply
    1,183.38x = 1,622.51 × 1,098.06
  4. Step 4: Simplify right side
    1,183.38x = 1,781,607.84
  5. Step 5: Solve for x
    x = 1,781,607.84/1,183.38
  6. Step 6: Final answer
    x = 1,505.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.