Home / 1,629.64-2,439.19-1,074.82

Finding the Fourth Proportional to 1,629.64, 2,439.19 and 1,074.82

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Solution

The fourth proportional to 1,629.64, 2,439.19 and 1,074.82 is: 1,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.64 : 2,439.19 = 1,074.82 : x
  2. Step 2: Convert to fraction form
    1,629.64/2,439.19 = 1,074.82/x
  3. Step 3: Cross multiply
    1,629.64x = 2,439.19 × 1,074.82
  4. Step 4: Simplify right side
    1,629.64x = 2,621,690.20
  5. Step 5: Solve for x
    x = 2,621,690.20/1,629.64
  6. Step 6: Final answer
    x = 1,608.75

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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.