Home / 1,629.55-2,444.20-518.92

Finding the Fourth Proportional to 1,629.55, 2,444.20 and 518.92

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Solution

The fourth proportional to 1,629.55, 2,444.20 and 518.92 is: 778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.55 : 2,444.20 = 518.92 : x
  2. Step 2: Convert to fraction form
    1,629.55/2,444.20 = 518.92/x
  3. Step 3: Cross multiply
    1,629.55x = 2,444.20 × 518.92
  4. Step 4: Simplify right side
    1,629.55x = 1,268,347.97
  5. Step 5: Solve for x
    x = 1,268,347.97/1,629.55
  6. Step 6: Final answer
    x = 778.34

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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.