Home / 1,629.46-2,442.10-1,190.68

Finding the Fourth Proportional to 1,629.46, 2,442.10 and 1,190.68

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Solution

The fourth proportional to 1,629.46, 2,442.10 and 1,190.68 is: 1,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.46 : 2,442.10 = 1,190.68 : x
  2. Step 2: Convert to fraction form
    1,629.46/2,442.10 = 1,190.68/x
  3. Step 3: Cross multiply
    1,629.46x = 2,442.10 × 1,190.68
  4. Step 4: Simplify right side
    1,629.46x = 2,907,759.63
  5. Step 5: Solve for x
    x = 2,907,759.63/1,629.46
  6. Step 6: Final answer
    x = 1,784.49

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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.