Home / 2,451.96-3,383.34-1,403.64

Finding the Fourth Proportional to 2,451.96, 3,383.34 and 1,403.64

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Solution

The fourth proportional to 2,451.96, 3,383.34 and 1,403.64 is: 1,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.96 : 3,383.34 = 1,403.64 : x
  2. Step 2: Convert to fraction form
    2,451.96/3,383.34 = 1,403.64/x
  3. Step 3: Cross multiply
    2,451.96x = 3,383.34 × 1,403.64
  4. Step 4: Simplify right side
    2,451.96x = 4,748,991.36
  5. Step 5: Solve for x
    x = 4,748,991.36/2,451.96
  6. Step 6: Final answer
    x = 1,936.81

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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.