Home / 2,245.73-3,368.60-1,149.49

Finding the Fourth Proportional to 2,245.73, 3,368.60 and 1,149.49

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Solution

The fourth proportional to 2,245.73, 3,368.60 and 1,149.49 is: 1,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.73 : 3,368.60 = 1,149.49 : x
  2. Step 2: Convert to fraction form
    2,245.73/3,368.60 = 1,149.49/x
  3. Step 3: Cross multiply
    2,245.73x = 3,368.60 × 1,149.49
  4. Step 4: Simplify right side
    2,245.73x = 3,872,171.55
  5. Step 5: Solve for x
    x = 3,872,171.55/2,245.73
  6. Step 6: Final answer
    x = 1,724.24

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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.