Home / 2,383.28-3,288.96-1,335.44

Finding the Fourth Proportional to 2,383.28, 3,288.96 and 1,335.44

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Solution

The fourth proportional to 2,383.28, 3,288.96 and 1,335.44 is: 1,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.28 : 3,288.96 = 1,335.44 : x
  2. Step 2: Convert to fraction form
    2,383.28/3,288.96 = 1,335.44/x
  3. Step 3: Cross multiply
    2,383.28x = 3,288.96 × 1,335.44
  4. Step 4: Simplify right side
    2,383.28x = 4,392,208.74
  5. Step 5: Solve for x
    x = 4,392,208.74/2,383.28
  6. Step 6: Final answer
    x = 1,842.93

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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.