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Finding the Fourth Proportional to 1,610.33, 2,414.77 and 455.81

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Solution

The fourth proportional to 1,610.33, 2,414.77 and 455.81 is: 683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.33 : 2,414.77 = 455.81 : x
  2. Step 2: Convert to fraction form
    1,610.33/2,414.77 = 455.81/x
  3. Step 3: Cross multiply
    1,610.33x = 2,414.77 × 455.81
  4. Step 4: Simplify right side
    1,610.33x = 1,100,663.10
  5. Step 5: Solve for x
    x = 1,100,663.10/1,610.33
  6. Step 6: Final answer
    x = 683.50

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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.