Home / 3,088.90-4,629.25-1,629.09

Finding the Fourth Proportional to 3,088.90, 4,629.25 and 1,629.09

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Solution

The fourth proportional to 3,088.90, 4,629.25 and 1,629.09 is: 2,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.90 : 4,629.25 = 1,629.09 : x
  2. Step 2: Convert to fraction form
    3,088.90/4,629.25 = 1,629.09/x
  3. Step 3: Cross multiply
    3,088.90x = 4,629.25 × 1,629.09
  4. Step 4: Simplify right side
    3,088.90x = 7,541,464.88
  5. Step 5: Solve for x
    x = 7,541,464.88/3,088.90
  6. Step 6: Final answer
    x = 2,441.47

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1.5x scale

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.