Home / 2,260.92-3,390.63-1,383.28

Finding the Fourth Proportional to 2,260.92, 3,390.63 and 1,383.28

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Solution

The fourth proportional to 2,260.92, 3,390.63 and 1,383.28 is: 2,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.92 : 3,390.63 = 1,383.28 : x
  2. Step 2: Convert to fraction form
    2,260.92/3,390.63 = 1,383.28/x
  3. Step 3: Cross multiply
    2,260.92x = 3,390.63 × 1,383.28
  4. Step 4: Simplify right side
    2,260.92x = 4,690,190.67
  5. Step 5: Solve for x
    x = 4,690,190.67/2,260.92
  6. Step 6: Final answer
    x = 2,074.46

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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.