Home / 1,627.23-2,245.92-1,298.25

Finding the Fourth Proportional to 1,627.23, 2,245.92 and 1,298.25

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Solution

The fourth proportional to 1,627.23, 2,245.92 and 1,298.25 is: 1,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.23 : 2,245.92 = 1,298.25 : x
  2. Step 2: Convert to fraction form
    1,627.23/2,245.92 = 1,298.25/x
  3. Step 3: Cross multiply
    1,627.23x = 2,245.92 × 1,298.25
  4. Step 4: Simplify right side
    1,627.23x = 2,915,765.64
  5. Step 5: Solve for x
    x = 2,915,765.64/1,627.23
  6. Step 6: Final answer
    x = 1,791.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.