Home / 1,499.73-2,249.60-1,383.09

Finding the Fourth Proportional to 1,499.73, 2,249.60 and 1,383.09

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Solution

The fourth proportional to 1,499.73, 2,249.60 and 1,383.09 is: 2,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.73 : 2,249.60 = 1,383.09 : x
  2. Step 2: Convert to fraction form
    1,499.73/2,249.60 = 1,383.09/x
  3. Step 3: Cross multiply
    1,499.73x = 2,249.60 × 1,383.09
  4. Step 4: Simplify right side
    1,499.73x = 3,111,392.35
  5. Step 5: Solve for x
    x = 3,111,392.35/1,499.73
  6. Step 6: Final answer
    x = 2,074.64

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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.