Home / 2,331.35-3,218.63-1,447.64

Finding the Fourth Proportional to 2,331.35, 3,218.63 and 1,447.64

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Solution

The fourth proportional to 2,331.35, 3,218.63 and 1,447.64 is: 1,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.35 : 3,218.63 = 1,447.64 : x
  2. Step 2: Convert to fraction form
    2,331.35/3,218.63 = 1,447.64/x
  3. Step 3: Cross multiply
    2,331.35x = 3,218.63 × 1,447.64
  4. Step 4: Simplify right side
    2,331.35x = 4,659,394.20
  5. Step 5: Solve for x
    x = 4,659,394.20/2,331.35
  6. Step 6: Final answer
    x = 1,998.59

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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.