Home / 2,245.96-3,101.33-1,408.07

Finding the Fourth Proportional to 2,245.96, 3,101.33 and 1,408.07

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Solution

The fourth proportional to 2,245.96, 3,101.33 and 1,408.07 is: 1,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.96 : 3,101.33 = 1,408.07 : x
  2. Step 2: Convert to fraction form
    2,245.96/3,101.33 = 1,408.07/x
  3. Step 3: Cross multiply
    2,245.96x = 3,101.33 × 1,408.07
  4. Step 4: Simplify right side
    2,245.96x = 4,366,877.75
  5. Step 5: Solve for x
    x = 4,366,877.75/2,245.96
  6. Step 6: Final answer
    x = 1,944.33

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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.